Apolicy of collecting colonies and building empires is known as a. agrarianisn b. industrialism c. anti-colonialsism d. imperialism

D. Imperialism would be the answer.

In some contexts, Imperialism could be the same as Colonialism. However Colonialism should be used to describe a political control of a more powerful nation over a less powerful one, when it envolves territoty annexation and loss of sovereignty from the annexed nation.

Imperialism is a more general form of control and influence of one nation over another. It may be formal or informal, direct or indirect, of either political or economic nature.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34