Which statement about the evolution of same-sex marriage is false?
the federal government became involved in this issue when it passed doma.
in the 1990s and 2000s, the number of state restrictions on same-sex marriage increased.
united states v. windsor legalized same-sex marriage in the united states.
more than half the states had legalized same-sex marriage by the time the supreme court made same-sex marriage legal nationwide in 2015.

United States v. Windsor legalized same-sex marriage in the United States.

Explanation:

Although the United States v. Windsor case in 2013, represents a landmark on civil rights, that set the focus on civil rights for married same-sex couples, and set a precedent for the later legalization of these unions, it did not legalize same-sex marriage in the United States.

It was the Obergefell v. Hodges case, in 2015, in  which the Supreme Court ruled that the right to marry was a fundamental right that should be guaranteed for same sex couples, requiring all fifty states to perform and recognize same-sex marriage.

the right answer is a

rain should be the answer.