Which heading should replace the question mark in the chart below?

year

?

1918

1.4

1919

1.4

1920

5.2

1921

11.7

unemployment rate in percent
immigration from asia in millions
immigration from europe in millions
women in the workforce in percent

The fourteenth amendment how did the action resolve a longstanding conflict in post-civil war america? it defined the process for readmittance of the former confederate states into the united states of america. it ensured the right to vote to all male citizens of the united states, regardless of race, color, or prior servitude. it defined citizenship and related rights for african americans. it abolished slavery in the united states.