50 points even just one or two names, much appreciated.

name a few americans who contributed significantly to united states history from the period 1900 to 1940.

-Carrie Nation: continues her Temperance Movement to abolish the consumption of liquor

-William McKinley: wins his second term as president, this time with Theodore Roosevelt in the second spot on the ticket

-Andrew Carnegie: A ten million dollar gift from Andrew Carnegie leads to the formation of the Carnegie Institution in Washington, D.C.

Hope this helps :)

would not cooperate with each other voluntarily.

determination