Comparative advantage I would think. Yep, Google-sensei confirmed it:) Comparative advantage is the answer.
They often aligned themselves with other developing nations to create a bloc. They have the power of one super power nation, but they are still able to speak their countries opinions. Either wise, they would be completed over powered.
The answer is true the battle was fought in 1781.
A budget deficit occurs when government expenditure is greater than revenue. When this happens the government is now forced to acquire loans to remedy the deficiency and as such national debt grows. A budget surplus occurs when revenue is greater than expenditure. When this occurs there is no need to get more loans and the surplus can now be used to service the national debt; thus reducing it.
I think the last one is correct because Robert created ways trough Missouri River to get faster to the ocean