Why was slavery important in the age of imperialism in 1800-1920?

Under the feudal system, which of the following did lords grant to their vassals?

The treaty of versaillies did not provide additional rights to the non-european nations that were held by the central powers. control over these regions was given to the allies.

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario