The US economy after World War I relied in large part on
<span>construction.</span>
Answer and Explanation:
They sent it to Belgium.
They did this because they were allies with Austria-Hungary, who called war upon Serbia, who assassinated their king/leader.
They had to pass through Belgium, which was allies with Great Britain.
Belgium didn't want them to pass through, which made the Germans kill them, leading to Great Britain sending their armed forces into the fight.
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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.
Learn more about the medieval Europe at brainly.com/question/2474934
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To industrialize by making use of the massive supply of cheap labour.