Aman named alexander graham bell received a patent for his telephone invention in 1876. today, many americans carry a cell phone around with them. define patent law and describe how patents encourage competition.

Why was the battle of stalingrad a turning point in the european war

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

What is the approximate distance between paris and moscow?