In the late 1920's, the economy took a turn for the worst as the good times came to an end... and that's just what covered up the economic problems- the good times and festive mood of the 1920's. Everybody was to worried about what to wear to parties and how to dance the Charleston to see what was going on with the government.
Answer:
Which was a step that China's rulers took to limit contact with the outside world during the sixteenth and seventeenth centuries? They allowed foreign traders only in select ports.
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The main reason why George Washington wanted the United States to stay out of foreign wars is because he knew the new nation was still in a "fragile" state, and could not afford--both literally and figuratively--to get involved in foreign conflicts.
Answer:
Eratosthenes erected a pole in Alexandria, and on the summer solstice he observed that it cast a shadow, proving that the Sun was not directly overhead but slightly south. Recognizing the curvature of the Earth and knowing the distance between the two cities enabled Eratosthenes to calculate the planet's circumference.