The role of the ohio river was very important because it provided resources for the different nations.
I believe the answer is C but not 100% sure
There’s answers already on another post if you look it up
The Articles of Confederation, was in effect from March 1, 1781, when Maryland ratified it. The second, The Constitution, replaced the Articles when it was ratified by New Hampshire on June 21, 1788.
Answer: Nationalism has contributed to the militarization of states.
Explanation:
The beginning of the twentieth century brought a lot of intolerance among European countries. France and Britain were the leading colonial powers, and Germany and Austro-Hungary wanted a part for themselves. In such circumstances, extreme nationalism emerges. Countries are pursuing a rigid, militaristic policy so that the production of weapons and ammunition is growing in almost all European countries. This led to an increase in self-confidence, which is why they went to war so easily. Nationalism thus accelerated and accelerated the production of weapons.