Ameliorate John Brown

Directions: there are 2 missing commas.

John Brown an abolitionist who advocated the use violence to end slavery fought pro-slavery groups at Bleeding Kansas from 1854 to 1859. 

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Suggested Answer:
John Brown, an abolitionist who advocated the use violence to end slavery, fought pro-slavery groups at Bleeding Kansas from 1856 to 1859. 

Ameliorate HOMESTEAD ACT

Directions: look for four proper nouns needing capitalization and two missing commas.
Signed into law by president abraham lincoln on may 20 1862 the Homestead Act encouraged Western migration by providing settlers 160 acres of public land. 

Ameliorate the Louisiana Purchase

Directions: grammatically correct the sentence below, in red. There are two missing commas.
The Louisiana Purchase a large amount of land acquired from France in 1803 doubled the size of the United States. 

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suggested answer:
The Louisiana Purchase, a large amount of land acquired from France in 1803, doubled the size of the United States.