How did columbus voyages affect european exploration?

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.

What does it mean to say the united states has a federal system of government

What was the main reason british sued for peace in 1783