Why did serfs decide to Join the crusades

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

Today england’s government is encouraging tertiary economic activities ,including_to make up for the loss of industry

Which was a major effect of the canal craze of the early 19th century