Ameliorate the Boxer Rebellion

Directions: there are two missing commas in the sentence below.
A Chinese secret organization the Boxers led an uprising in 1900 against the spread of european and and Japanese influence in China. 

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Ameliorate the Pendleton Civil Service Act

Directions: there are two missing commas. Think about apposition when deciding where the commas should be placed.

The Pendleton Civil Service Reform Act is a United States federal law enacted in 1883 which established that positions within the federal government should be awarded on the basis of merit instead of political affiliation.

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suggested answer:
The Pendleton Civil Service Reform Act is a United States federal law, enacted in 1883, which established that positions within the federal government should be awarded on the basis of merit instead of political affiliation.

Ameliorate Darwinism

Directions: Please grammatically correct this sentence. There are three missing commas and one missing apostrophe.

Darwinism is a theory of biological evolution stating that all species of organisms arise and develop through the natural selection of small inherited variations that increase the individuals ability to compete survive and reproduce.

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suggested Answer:
Darwinism is a theory of biological evolution stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.