Are ex post facto laws rare in the united states

After the civil war which president was called a "carpetbagger"?

What was a challenge for president truman’s political agenda in 1950

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.