The Panama Canal
1. The rain water flooded during the construction.
2. The engineer could not dig out the soil efficiently before the rain season.
3. Many workers had to work during the rain and may died to diseases.
From what I have researched I have found that farm land takes around 2.3 billion Acres.
Answer:
They thought that the Native Americans would be too preoccupied to bother with them. They also had many men and weapons.
Explanation:
Lewis and Clark's expedition required many men and weapons. Therefore, it would be easy for them to scare off Native Americans. Plus, not many Native Americans had ever attacked tourists/explorers. Lewis and Clark's expedition would not require them to bother the Native Americans or even come in contact with them.
(P.s I hope this helps :)
The answer is B your welcome.
B, because if you don't have anything to back up the argument then you will not have a steady argument making the "debate" on your side turn into an opinion.