Question

complete the chart about how technological changes at the turn of the 20th century affected american life. leave the shaded boxes blank

	who was involved in its development?	what other inventions helped make this one possible?	how did this invention or development affect americans lives?
2. electric transit
3. suspension bridge
4. city planning
5. food supply
6. web - perfecting press
7. airmail
8. kodak camera

Explanation:

1. Skyscraper:

• Who was involved: Architects like Louis Sullivan were key in its development.
• Other inventions: Steel - frame construction and elevators made skyscrapers possible. They allowed for taller buildings and easier vertical movement.
• Impact on lives: Changed urban skylines, increased urban density, and created new work and living spaces in cities.

1. Electric transit:

• Who was involved: Inventors and engineers working on electrical systems and vehicle design.
• Other inventions: The development of electric motors and power - distribution systems were crucial.
• Impact on lives: Improved urban mobility, made commuting faster and more efficient, and contributed to the growth of suburbs.

1. Suspension bridge:

• Who was involved: Engineers such as John A. Roebling (Brooklyn Bridge).
• Other inventions: Strong steel cables and improved construction techniques were enabling factors.
• Impact on lives: Facilitated long - distance travel and trade by spanning large bodies of water, connecting regions.

1. City planning:

• Who was involved: Urban planners, architects, and policymakers.
• Other inventions: The concept of zoning laws and the availability of building materials for infrastructure.
• Impact on lives: Organized urban growth, provided better living conditions, and separated different land uses (residential, commercial, industrial).

1. Food supply:

• Who was involved: Farmers, agricultural scientists, and food - processing engineers.
• Other inventions: Refrigeration, canning, and agricultural machinery.
• Impact on lives: Ensured a more stable and diverse food supply, reduced food spoilage, and allowed for year - round availability of certain foods.

1. Web - perfecting press:

• Who was involved: Printers and printing - technology inventors.
• Other inventions: The development of high - speed paper - feeding mechanisms and inking systems.
• Impact on lives: Enabled mass production of newspapers and magazines, spreading information more quickly and widely.

1. Airmail:

• Who was involved: Aviators, postal workers, and aircraft designers.
• Other inventions: The development of reliable aircraft engines and navigation systems.
• Impact on lives: Speeded up long - distance communication, connected far - flung regions more quickly, and contributed to globalization.

1. Kodak camera:

• Who was involved: George Eastman and his team at Kodak.
• Other inventions: Flexible film and simple camera designs.
• Impact on lives: Made photography accessible to the general public, allowing people to capture and preserve memories easily.

Answer:

Invention	Who was involved in its development?	What other inventions helped make this one possible?	How did this invention or development affect Americans' lives?
Electric transit	Inventors and engineers	Electric motors, power - distribution systems	Improved urban mobility, growth of suburbs
Suspension bridge	Engineers like John A. Roebling	Strong steel cables, construction techniques	Facilitated long - distance travel and trade
City planning	Urban planners, architects, policymakers	Zoning laws, building materials	Organized urban growth, better living conditions
Food supply	Farmers, agricultural scientists, food - processing engineers	Refrigeration, canning, agricultural machinery	Stable and diverse food supply
Web - perfecting press	Printers, printing - technology inventors	High - speed paper - feeding mechanisms, inking systems	Mass production of newspapers and magazines
Airmail	Aviators, postal workers, aircraft designers	Reliable aircraft engines, navigation systems	Speeded up long - distance communication
Kodak camera	George Eastman and his team	Flexible film, simple camera designs	Made photography accessible to the public