Why did imperialism occur in the late 1800s and 1900s? Describe at least four reasons. plz help

Explanation:

From the late 1800s through the early 1900s, Western Europe pursued a policy of imperialism that became known as New Imperialism. By 1870, it became necessary for European industrialized nations to expand their markets globally in order to sell products that they could not sell domestically on the continent.

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

b: to eliminate competition from other farmers