Arce began her political career with the pro-statehood youth in
Aguadilla. She presided the Women Organization of the
New Progressive Party for eleven years, and also served as vice-president of the party. In
1996, Arce was elected as Senator At-large. She was the third candidate with most votes, and the second within her party. She was reelected in
2000 and
2004. Arce won a slot in the PNP ballot at the
PNP primaries and in
2008, she was elected for her fourth consecutive term, being the fourth candidate with most votes, and the third within her party. During her time in the
Senate of Puerto Rico, she has served as vice-president of the Senate, Alternate Majority Speaker, President of the Women Legislative Assembly, and President of Commissions of Work, Veteran Affairs, and Human Resources. == Personal life ==