There are four main causes of WWI:
Militarism-Countries in Europe were continually building up their militaries, in order to look stronger.
Alliances-European countries were allied with each other, which caused all of Europe to break into war within a few days of Austria-Hungary declaring war on Serbia.
Imperialism-Wealth equals power, therefore, the more colonies you have, the more powerful you are.
Nationalism-Having pride in your country and thinking your country is the best, ignoring it's faults. Led to increased imperialism.
Answer:
These atoms will decay as the rock ages, and by measuring the ratio of radioactive isotopes within the rock, scientists can figure out how long it has been around. In 1913, geologist Arthur Holmes published “the Age of the Earth,” the first major effort to date the planet using radiometric dating.
Corruption in the christian church
During the colonial era, Metacom was the Wampanoag chief who waged war on several colonies.
Older siblings reasoning because they are your family and siblings often joke around and prank each other
