Which phrase best completes this diagram? Features of the Gupta Empire Gave emperor total power Built a powerful military ? O A. Invented gunpowder for weaponry B. Outlawed all religions except Hinduism O C. Encouraged trade with other countries O D. Focused on religion rather than science

d) iowa i believe is the answer

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.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.