World War I, which lasted through Jul 28, 1914 to Nov 11, 1918.
https://www.history.com/topics/world-war-i/world-war-i-history
Info at the link
Answer: Treaties
Explanation:
During the build-up to WW1, countries in Europe formed alliances to protect themselves in case war broke out.
They formed these alliances by signing treaties amongst themselves.
The Triple Alliance was formed from a Treaty between Germany, Austria-Hungary and Italy while the Triple Entente was as a result of a Treaty between Britain, France and Russia.
Followers of Islam are called Muslims
Islamic law is called Sharia law
A Muslim place of worship is a Mosque
The holy book of Islam is the Quran
Those are the ones that I know
You get thrown into jail. Duh.