To extend a country's influence through diplomacy or military force.
I believe 'the whole world pouring down' is a hyperbole (so exaggerated it could not possibly be true). Without knowing the rest of the context that this phrase is from, I would think it means nothing in someone's life is going right; everything is wrong and they could not do anything to stop all the trouble and problems.
Hope this helps! :)
Answer:
It was a mixture of greed and need.
Explanation:
The Americans believed that the expansion was a command from God to them and for that reason, they already had projects to expand in the most varied possible ways. However, there was a need to find more fertile and arable land where they could establish more productive agriculture, which would give the nation more profits. Agriculture in this case became a necessity and a form of ambition, since it could generate a lot of profit.
Iran, also called Persia, was the world's oldest empire, dating back 2,500 years, by 1900 it was floundering. Bandits dominated the land, literacy was one percent and women, under archaic Islamic dictates, had no rights.
