Which of the four main causes of world war 1 is represented by this document

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.

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.

Who were some of the most important scientist in there and shipments of the revolution