Answer:
a multilateral system of trading in which a country pays for its imports from one country by its exports to another.
Explanation:
In about 3200 BC the two earliest civilizations develop in the region where the southwest Asia joins Northwest Africa. Great rivers are a crucial part of the story. the Sumerians settle in what is now southern Iraq, between the mouths of the Euphrates and the Tigris
Answer:
O to protect the rights of people in democratic countries. O to promote democracy around the world. O to bring about changes in government in Communist countries.
It makes sure no branch of the government is more powerful than another.
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Answer:In the 1800s
Explanation:In the 1800s, nationalism served as a unifying tool, a tool to persecute "others" within a nation, and a force which amplified political tensions in Europe and would eventually lead to war.