Which of the following describes how 19th-century imperialism was different from older forms of imperialism?
a. Older forms of imperialism were more concerned with establishing colonies in foreign territories.
b. Older forms of imperialism were driven by a desire to acquire sources of natural resources.
c. Older forms of imperialism were intended to control a country's economy.
d. Older forms of imperialism were motivated by a desire to spread a specific culture