Several countries had these in China after the Open Door Policy, leading to some local tension among European nations.

After the Meiji Restoration, Japan modeled their army and navy after these two countries, respectively.

“Willy” was allied with these first two countries while “Nicky” chose to sign up with these other two.

Unrestricted submarine warfare almost drew the United States into World War I when this happened.

The Russian government fell in the midst of World War I, but the first domino to fall came when they suffered naval defeats against these countries.

The opening scene of World War I started with a bang, and these two men were at center stage.

One of these developed as Germany threatened Great Britain’s naval supremacy.

This region is like The One Ring in The Lord of the Rings: it sounds like it would be good to have, but it’s nothing but trouble once you get it.

Two reasons imperialism led to the start of World War I.

The leaders of the United States, France, and Great Britain during World War I.

They’re two health issues you could develop from the trenches and four new weapons that could make your life miserable.

The Schlieffen Plan indicated an attack on this city, but ran into trouble when the Germans crossed this country.

The Germans correctly assumed that the French would “bleed themselves white” to defend this fortress city.

A major battle on the Eastern Front that set the tone for Russia’s entire war effort. The Russians lost 130,000 casualties

Four countries involved in the Zimmermann Telegram scandal.

The two countries involved in the Ausgleich.

Despite the fact that this country started the Crimean War and then fought the Ottoman again in the 1870s, they were a weak nation by 1914.

The Ottomans eventually lost their land in mandates to these two countries.

The Ottomans entered on the side of this alliance, but only after this country left.

They’re two problems Ottomans and Austro-Hungarians had with the Balkans.

The “big brother” of the Slavic people.

The Allies opened a front in this Ottoman region to draw Germany off of the Western Front in 1915.

This document allowed Germany into the League of Nations, while this second one outlawed war.

In chronological order, these two economists were charged with creating plans to save Germany.

They’re the two reasons the British gave for attacking at the Somme.