It was actually among four countries; Austria-Hungary, Germany, Ottoman Empire (Turkey), and Bulgaria started as an alliance. Germany lead the Central Power group.
Among the three countries, Germany had the greatest military advantage. It is also the militarist war designer and strategist that led their alliance.
Austria- Hungary unification and involvement during World War I started after the assassination of their King Archduke Ferdinand. Austria and Hungary believed that it was a Serbia assassination plot.
The Ottoman Empire signed the alliance with Germany because of its good economic relationship.
Bulgaria who came in last in the Alliance. It claimed that Serbia took a part of its land that made it get to war.
(got this from another question but I hope it helped)
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
Answer:
The Balkan states wanted their independence so there was a lot of tension between that area especially during WWI. When WWI ended, the Ottoman Empire lost and the Russians and some of the Balkan states took control of some of their land
Explanation:
Scientists can determine if oxygen existed in Earth’s Archean atmosphere by looking for oxidized iron in rock. In the beginning, there was only a little to no oxygen in the atmosphere. The oxygen that are being produced by cyanobacteria is only enough for the weathering process. There will only enough oxygen that shall remain in the atmosphere when the rocks at the surface are properly and adequately oxidized. However, as time goes by, evidences said that the amount of oxygen in the Archean atmosphere is actually increasing in a slow steady pace.