Emergency Aid is not socialism.....socialism is an economic and political system
FEMA only activates during designated emergencies.
It can be viewed as wholly constitutional under the 'mission statement' of the Constitution:
"We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America."