Barack Obama was the 44th president. His vice president was Joe R Biden. which is the president now.
Answer:
The Cold War between the U.S. and Soviet Union originated from postwar disagreements, conflicting ideologies, and fears of expansionism. At both the Yalta Conference and Potsdam Conference, U.S. and Soviet leaders sharply disagreed over the future of the post-war world.

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The Cold War | Boundless US History
got it from ^
Answer:
Industrialization leads to urbanization by creating economic growth and job opportunities that draw people to cities. Urbanization typically begins when a factory or multiple factories are established within a region, thus creating a high demand for factory labor.
Answer:
B. Trade
Explanation:
So the Athens relied on trade. They had relied on trade because they were relatively close to the sea and therefore were able to trade with other city-states and foreign lands.
To get specific, they mostly traded honey, olive oil, silver, Etc.
And eventually they switched over to the coin system
If you need more help let me know :)
