Answer:
Explanation:
I believe the answer is D
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.
I would say A and B are correct.
The relationship went bad because of England wanting to repay its war debts by increasing taxes on the American colonists.
