4. What two events helped women gain the right to vote? 1) America's entry in WWi & women supporting the war effort.
2) Women fighting in WWi & many helping to make much needed supplies.
3) States supported the cause & President Wilson agreed.

The answer is 1

Explanation:

When WW1 started just as the answer suggests, women went on overdrive with helping the war effort by buying bonds, serving as nurses, and doing a lot of things.

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