*help asap* ill give brainiest How do mediums of exchange affect trade?
A. They make trade more efficient.
B. They make trade less profitable.
C. They make trade more expensive.
D. They make trade less global.

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

All of the following changes typically happened in colonies as a result of imperialism, except: a. cultural practices were outlawed. b. they became more economically self-sufficient. c. european nations built modern infrastructure, including railways. d. the european language became the language of government and education.

Violence or the threat of violence carried out for political purposes is called a) glasnost b) terrorism c) perestroika d) stagflation