Restraining imports and encouraging exports
Answer:
The Mexico–United States barrier is a series of vertical barriers along the Mexico–United States border aimed at preventing illegal crossings from Mexico into the United States.
Hm...
1) we would have to compete with them for food
2) we'd have to run like h if we saw a predator
3) we'd have much more different cities
4) some inventions might not have been invented
5) some modern species would be extinct, or not exist
Answer:
Because pearl harbor was bombed and now it was affecting them and they were already on the edge of joining but the main reason is pearl harbor.
Explanation:
hope it helps.
Answer:
Aint it President Franklin D. Roosevelt ?