12) C 14) b. 15) A hope it helps
That statement is true.
To be precise, the united states coined both gold and silver in 1873. Before this, gold is the only material that is used to create coin money.
But the cost of production to produce gold coin is really high. Because of this, the government decided to include silver in order to drive the cost of production down in 1973.
The correct answer is B; Fields became more productive, spurring population growth.
Further Explanation:
When the fields became more productive the farmers had more food and could make more money. This had others coming to start their own farm and grow foods. Other ways medieval towns and cities had growth was the trade fairs that would be put up. This helped the cities and towns grow larger and have more of an economy.
When the towns and cities grew, they needed merchant guilds to form and take responsibility for the improvements in the towns and cities. They also were so much trading going on that they started using the credit system instead of using cash.
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The correct answer is Literacy requirement
Explanation: Jim Crow era began when state laws were enacted for the southern states of the United States of America. These measures defined that public schools and most public places (including trains and buses) had different facilities for whites and blacks. Jim Crow's laws were in force between 1876 and 1965 and were opposed by several groups, including the National Association for Advancing of Colored People (NAACP), a key body in ending segregation.