Answer:The positive effects of the Revolutionary War were that the U.S. gained its independence, Great Britain lost it's standing as an undefeated superpower. The negative effects of the War were that France collapsed and entered a violent era known as the French Revolution because of severe debt.
The 19th amendment gave women the right to vote
It gave them things to trade with other countries and themselves in order to establish kingdoms
It helped increase the population of the US
I think it might be B. Hope this helps