Serbia supplied the rebels with weapons so that they could kill the archduke. Austria-Hungary declared war on Serbia. Russia entered to defend Serbia because they both had large Slavic populations. Germany entered to defend Austria-Hungary. Alliances drew other countries in until it was a world war.
D, is correct. If correct mark!
Have a great day! :)
Answer:
sixty million years ago, the earth was younger than it is today
Explanation:
easy :)
The red scare following the World War I was primarily caused by the fear of communism, socialism, anarchists, immigrants, and racial labor that has been developing and growing in the industrialized nations, especially in the United States, during the 1920s.
VERY bare bones back then as the country was still very young back then, there was also limitations to getting/ spreading knowledge as the people back then had limited ways to discover new things.
