Question

question 3
1 pts
what was the most common impact of new inventions on american life?
they increased costs and provided a basis for family disputes.
they reduced costs, but made life more difficult.
they made life easier, more productive, and more profitable.
they increased the amount of work people had to do.
question 4
1 pts
what were two practices used to develop monopolies?
controlling all the steps in a business process and driving out all the competitors
driving out all business competitors and charging tariffs for crossing state lines
charging tariffs for crossing state lines and limiting transportation distances
controlling all the steps in a business process and adding competitors

Explanation:

New inventions in American history generally aimed to improve efficiency and quality - of - life, making life easier, more productive, and more profitable. Monopolies are developed by controlling all aspects of a business process (vertical integration) and eliminating competitors.

Answer:

Question 3: They made life easier, more productive, and more profitable.
Question 4: controlling all the steps in a business process and driving out all the competitors