Before the steamboats, man had only the power of muscles (whether his own muscles or the muscles of animals). He depended on these muscles in transportation. This made transportation a very long and tiring journey.
Steamboats' main advantage was providing faster transportation to both people and goods. This reduced the time and the effort needed for transportation.
However, they were not very safe or accurately designed. Many people died as a result of the explosion of the boilers.
Answer: because it is disgusting and they wanted to keep their sole in the bodies
Explanation:
Answer: Irrigation and terraces are still used today.
I believe the answer is A.