Answer:
c
Explanation:
The Thirteen Amendment officially abolished the use of slavery.
The Answer is ' Pyramids '
I think C is the right answer
Serbia supplied the rebels with weapons so that they could kill the archduke. Austria-Hungary declared war on Serbia. Russia entered to defend Serbia because they both had large Slavic populations. Germany entered to defend Austria-Hungary. Alliances drew other countries in until it was a world war.
True i believe. not for sure