During which era did détente mainly occur?

Which progressive reform was least related to the causes and effects of world war i? o legislation limiting the use of child labor o establishing 8-hour workdays for railroad workers o reducing tariffs on imported goods o expanding women's rights and the right to vote

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.

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