What is one way that economic institutions sustain themselves over time? A.
by responding to changes in demand

B.
by continuing production despite demand

C.
by decreasing profit

D.
by decreasing supply

What was different about warfare in the early 1800s and early 1900s?

The physical feature that makes up part of the border between canada and the united states is the

Africa, 1914 which statement is the best conclusion for the information presented in the map? a) european colonization had a positive impact on african nations. b) african colonization the economic growth of all european nations involved. c) by the outbreak of world war i, most of the african continent was under english control. d) by the outbreak of world war i, most of the african continent was under european control.