<span>In a multi party system parties must join together to form Coalition government. A coalition government is a cabinet of a parliamentary government in which multiple political parties cooperate, reducing the dominance of any one party within that coalition. The usual reason for this arrangement is that no party on its own can achieve</span>
I believe the answer is D
<span>The black plague</span><span>
</span><span>New wealth from the America's
</span>
<span>New trade routes based on routes taken by Crusades
</span>
Changes in climate
