Which sentences correctly use commas? Choose two correct answers.

In A, the introductory phrase “After his voyage in 1492” is followed by a comma before the main clause. In D, the comma correctly comes before “and” because it joins two complete sentences: Washington was a general, and Jackson was also a general. C needs commas around “who ruled Mali in the early 1300s,” while E incorrectly separates “shoguns and emperors” with a comma.

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