Which countries lost territory after ww1?

Examine this list of events that took place in china during the 20th century. which event or events could possibly have been a cause of the great leap forward? a. i only b. i, iii, and iv c. i and iii d. iii and iv

What would be considered a secondary source about the assasination of abraham lincoln

How did the formation of the united states contribute to the enlightenment in europe?