1899, the United States declared the Open Door Policy. The Americans worried that other nations would soon divide China into formal colonies and shut out the American traders. They proposed that China's doors be open to merchants of all nations.
Steam locomotive,because they were built during the Industrial Revolution.Which happen during late 1800's
Answer:
Only the federal government can coin money, regulate the mail, declare war, or conduct foreign affairs. ...
The states retain a lot of power, however. ...
Notably, both the states and the federal government have the power to tax, make and enforce laws, charter banks, and borrow money
Explanation:
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I believe the best answers are: humans moved out of Africa, and h<span>umans learned how to control fire
But i'm not sure since there are not any options available</span>
<span>technology affects society both positively and negatively by simultaneously connecting people and reducing face-to-face social interaction. For example, relatives who live far apart can connect via social media platforms, email and video chat, but neighbors may interact through text messages instead of talking in person!</span>