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

Explain one example of how the u.s has struggles to balance energy independence and environmental

In ohio in 1872, the cleveland massacre was a violent labor dispute at standard oil refineries in cleveland. a takeover by standard oil of the refineries in cleveland. an attempt to stop standard oil from becoming a monopoly. a failed attempt by standard oil to take over other refineries.

What could hapsburg monarchs habe done to foster a common national sentiment among people of the austrian empire