The attached article explains how FEMA is funded...and how that funding compares with aid to Ukraine...it all comes down to Congress allocating those funds.
btw, the U.S. and all freedom loving countries will continue to support Ukraine in its struggle against Russia's aggression.
Link: https://www.newsweek.com/how-fema-disaster-funding-compares-ukraine-aid-1964240#:~:text=In%20comparison%2C%20in%202022%2C%20Congress,%2420%20billion%20each%20year%20thereafter.