Answer:
After a fall in shipping demand during the early days of the pandemic in 2020, a surge at the end of that year led to delays, port traffic jams, and blockages across the world. Now, containers are jammed up in ports due to rising demand and a continuing shortage of dockworkers and truckers.25-Oct-2021
Explanation:
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Answer:
Labor unions did not allow Chinese immigrants to become members. Labor unions helped Chinese immigrants find jobs in mills and factories. Labor unions asked companies to pay Chinese immigrants low wages.
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Those factors were:
city-states
the drawing of political borders
divide and rule policies