Why did World War I become such an extensive war? (Choose 3) A Germany declared war on every other nation in Europe.
B) Franz Ferdinand was beloved by many people around the wor
A network of alliances drew nations from around the world int
DEvery nation fought independently with little help from any oth
Strong national pride demanded that nations protect their inter
European nations had developed large militaries.

A network of alliances drew nations from around the world into the conflict.

European nations had developed large militaries.

Strong national pride demanded that nations protect their interests.

Who was the U.S. president at the outbreak of World War I?

Woodrow Wilson

How did the United States react to the start of World War I?

The United States remained neutral, supporting neither side.

Which statement best illustrates the American attitude at the start of WWI?

“The war is a European problem—not ours.”

What was the purpose of Britain’s naval blockade?

to prevent Germany from receiving shipments of supplies

What action did Germany take that aggravated the United States?

German submarines sunk several ships containing U.S. passengers.

What was the Zimmerman Telegram?

a message from the German government to Mexico

Why was the Zimmerman Telegram significant?

It revealed Germany’s plot to recruit Mexico as an ally against the U.S.Which event finally convinced the United States to enter World War I?

Which event finally convinced the United States to enter World War I?

the Zimmerman Telegram