Hello there, my fellow human being!
The answer is the decades of war between Eastern and Western Europe.
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~Ruru
Answer: Outside Invaders Threatened Border Areas
Explanation: There were string of military losses sustained against the Germanic Tribes. Rome has been at constant war with the Germanic Tribes for centuries and by 300 AD, a Tribal group called the Goths had encroached the borders of the Roman Empire. In the year 410, Visigoth King Alaric sacked the city of Rome. Then the Vandals tribe sacked Rome in 455 as well. It was in 476, when the Germanic Leader Odoacer staged a revolt and deposed of the Emperor Romulus Augustulus. It is at this moment that Western Rome falls and the Medieval Age begins as Europe falls into a dark age.
in the 1900s The U. S. Wanted to maintain the created expansion and not 'push its luck' with other nations.
<h3>How was United States in 1900s?</h3>
In 1900s, United States gained a lot of space and territory which was a result of some events such as as world war and others.
However, imperialistic actions on the part of the united states was made because those territory gained by United States were been secured.
Learn more about United States in 1900s at;
brainly.com/question/27451108
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