False. Its main goal was to prevent the spread of Communism.
An important duty of the president is "negotiating treaties," since this duty falls to the executive branch, and the president is in charge of this branch (although this specific task is often delegated to the State Department).
Answer:
A, because of the cataracts.
Explanation:
The cataracts made the river too dangerous to travel in as the rock filled rapids would destroy the boat, and destroy them.