Answer:
When Austria-Hungary declared war on Serbia, it led to Russia declaring war on Austria-Hungary as well because Russia was in an alliance with Serbia.
Germany which had an alliance with Austria-Hungary via the Triple Alliance then declared war on Russia.
Russia was already in an alliance with Great Britain and France known as the Triple Entente and when Germany declared war on Russia, Great Britain and France declared war on Germany.
Thus began the Great War.
Quito is located along the equator
Answer:
It is essential for the welfare of this country.
Explanation:
He thought that overseas expansion was in the best interest of America.
Answer:
The Transcontinental Railroad fundamentally changed the American West. As the United States pushed across North America, railroads connected and populated the growing nation. Railroads also sparked social, economic, environmental, and political change.
Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.