Who was instrumental in leading the movement for child labor reform?
lewis hine
william wilberforce
parliament
congress

Lewis Hine was an American photojournalist who used his camera as a tool for social reform.

He was an instrumental reason of the movement for child labor reform by using his photographs.

Explanation:

Option: Lewis Hine

Explanation:

Lewis Hine was an American photographer and a sociologist who used his camera as an instrument to reform, especially in children condition. His pictures of children as workers led a change in America to improve the condition, particularly in the mills, mines and factories. Hine traveled to the east of the United States, gathering shocking images of exploited children and the slums in which they lived, which ushered the federal government to regulations on workplace conditions.

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union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.