Concurrent means “at the same time.” they <span>are those that both the federal and state governments share simultaneously</span>
Reconstruction is the correct awnser
In 1917, the Russian Revolution overthrew the tsar and contributed to Russia’s exit from the war.
The main point of the 13th Amendment was to abolish slavery. With the 14 and 15th amendments it also established equal rights for Black Americans and their right to vote as well.
Basically, no soldier was allowed to tell his family where he was being deployed to because a spy or something similar could be listening which could lead to the opposing side getting that information and attacking the ship/base etc. Hope this helps!<span />