How did trade in the Roman Republic lead to the development of the merchant class? pls make simple, im doing notes

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.

How did slavery end in the united statesa. it ended with the emancipation proclamationb. it ended when the union won the civil warc. it ended with the fifteenth amendmentd. it ended with the 13th amendment

The irish and germans of the 1840's were part of the new immigration. true or false