Austria-Hungary declared war on Serbia in July 1914. Use the map to explain how this could lead to widespread war. (Middle School)

The First World War broke out as a result of multiple countries having to uphold their agreements with other countries.

In 1914, the heir to the throne of the Austria-Hungarian empire was assassinated by a Serbian in Bosnia.

Austria had been looking for a reason to go to war with Serbia and this was their chance. The next sequence of event was:

In conclusion, the First World War started as a result of alliances and had countries not had the backing of other countries, the world might have been spared the massacre that was the First World War.

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As Russia had guaranteed Serbia to protect them from Austrian threats, later Russian Empire would declare war on the Austrian-Hungarian Empire. Then Germany had upheld its end of the bargain by being in an alliance with Austria-Hungary and declared war on Russia and France since France was allied with Russia. Later then Britain would declare war on Germany for invading neutral Belgium. After that the Kingdom of Italy would join the Entente and declare war on Austria-Hungary.

Explanation:

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

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