Answer:
People found life more convenient, as these inventions gave them more opportunities and freedoms is your correct answer.
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Answer:
Historical skills help us build a historical overview of American socio-political and economic aspects which improves our present and the future.
Explanation:
By using the historical skills people tend to determine the change by comparing positions and historical figures in the past with the presence of American society and helps society to learn from its past to improve its future. For example, when we study the historical context of American revolution we understand the democratic ideals that have led the revolution possible and integrated thirteen colonies together and it fosters unity among the Americans in the modern era.
Answer:
take the place of (a person or thing previously in authority or use); supplant.
for example: "the older models of car have now been superseded"
The United States often uses sanctions to impose a penalty on a country. This is usually the first step taken when a country upsets another country, before violence is used.