It was the second war of American independence.
The correct matching of the given sentences are:
a. China only wanted silver, giving China more trade power until Europeans flooded China with opium, giving Europe more power. Chinese tried to fight back, but the British would take over the trade by force.
Opium War in China
b. Europeans wanted to extend their control due to industrialization; to do this, they focused on the continent of Africa, where almost ALL of Africa became a European colony.
Scramble for Africa.
<h3>What is Colonization?</h3>
This refers to the use of military or economic might to be able to rule over a country usually through proxy.
Hence, we can see that the other answers are:
c. Guns, especially the machine gun, created a huge advantage for Europeans in battles, making it nearly meaningless for other people/countries of Africa to fight back.
Why are guns such an important part of colonization in Africa?
d. Weapon technology and use of existing power sources, like princes who would receive special benefits, worked to European advantage.
Why was the indirect rule able to work?
Read more about colonization here:
brainly.com/question/510352
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Answer:
4. Native Americans were forced out by competition for resources and hunger.
Explanation:
Andrew Jackson made an act "Removal Act" forcing Native Americans to move to another land, causing Trail Of Tears. Many had died by starvation and no warmth through the way. Americans wanted resources like gold, found in the Native American.
The innovations led to an increase in deforestation and pollution so environmental issues. But it allowed the United States to be a strong country economically and politically.