What happened after McCarthy made accusations against the U. S. Army? a
All members of the military had to take a loyalty oath.
b
There was a nationally televised Senate investigation.
c
Margaret Chase Smith spoke out against McCarthyism.
d
Several states passed laws violating the right of free speech.

D, it’s right

Explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.