He was an American labor leader and civil rights activist
It is C because the men were out to fight the war and in that time only men could have jobs, so when the men left the women had to take over and their role was so important because they were making everything all the soldiers needed like food and ammunition.
The columbian exchange was the exchange of wealth, crops, livestock, and most importantly disease between the new and old world. foreign people came into contact with each other and lacked the needed immunity to prevent illness. some crops exchanged were squash, corn, beans, and potatoes.
