5.) Based on your knowledge of history, why did labor strikes become more common in the late 1800's?
A. Increases in child labor led to an increase in strikes.
B.
Workers were inspired by global labor movements and wanted to cause trouble for their
bosses.
C. Many workers were becoming increasingly frustrated with their low wages and poor
working conditions.
D.
Workers lost jobs due to technological advancements.

c. many works were becoming increasingly frustrated with their low wages and poor working conditions.

Explanation:

"The labor movement in the United States grew out of the need to protect the common interest of workers. For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired." - https://www.history.com/topics/19th-century/labor

the answer wold be b) travel among nations should be regulated by an international organization

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