Answer:
I think the answer is b,a,c
Explanation:
The assassination of the heir to the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand, and his wife, Sophie. On June 28, 1914, the couple paid a state visit to Sarajevo, the capital of Bosnia.
something that causes people to leave a country
A) Albany Plan of Union !!!
It was a plan to create a unified government for the Thirteen Colonies, suggested by Ben Franklin.