Question

an effect of the steamboat’s popularity was that
fewer people traveled by rail.
steam locomotives became less popular.
people began to build canals in the united states and europe.
more people began to travel between the united states and europe.

Explanation:

• Analyze each option:
• Option 1: Steamboats and rail travel served different purposes (water vs. land), so steamboat popularity wouldn't directly reduce rail travel. Eliminate.
• Option 2: Steam locomotives (rail) and steamboats (water) are different modes; steamboat popularity doesn't make steam locomotives less popular. Eliminate.
• Option 3: Steamboats rely on waterways. To improve steamboat travel, building canals (artificial waterways) in the US and Europe made sense as a response to steamboat popularity. This is a logical effect.
• Option 4: Steamboats were mainly for domestic/inland water travel, not transatlantic (US - Europe) which is oceanic; transatlantic travel later used steamships but the connection to steamboat popularity for US - Europe travel is weak. Eliminate.

Answer:

C. people began to build canals in the United States and Europe