Which imperial power had the most colonies spread out across the world in 1900? a. great britain b. france c. russia d. germany e. united states

Ineed answers 5 and 6 on my social studies homework reply to this question i posted

Why did china build the great wall of china?

Which course of action did president carter propose in order to solve this problem for the next generation? a. contract with foreign nations to build wind turbines b. reduce federal spending on solar cell energy research c. drill fewer offshore wells to conserve marine life d. develop alternative energy sources