Answer:
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Answer:
1940s and 1950s
Explanation:
Union power and membership reached a high point in the U.S. during the 1940s and 1950s. Today, the biggest gains in union membership are among people under 34 years of age, from.
Answer:
From the early to mid-1830s (and particularly through the years 1846–1869) the Oregon Trail and its many offshoots were used by about 400,000 settlers, farmers, miners, ranchers, and business owners and their families.
Explanation:
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Answer:
A.The mountains prevented city-states from interacting.
Explanation:
Because of the mountains, each city was fairly isolated from each other, allowing them to become city-states, or miniature countries. This led to them having constant wars against each other, and only joining forces when there are outside forces trying to invade (as seen by Persians).
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