Using the key, how many semi-arid regions of Africa are there?

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

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.

b. the right to wage war and make peace