Question

What was the direct cause of Britain's entry into World War I?

A.
Germany threatened British control of the English Channel.
B.
The German invasion of Belgium violated the Treaty of London.
C.
Britain was bound by treaty to go to war with France and Russia.
D.
German U-boats began attacking merchant and passenger ships.

Answer 1

i think B.

Step-by-step explanation:

i just looked it up comment if its correct plz