House passed $1B aid bill for Ukraine with 226-195 vote. Bill provides $8B for Ukraine's defense via loans. War in Ukraine now exceeds four years. U.S. has approved $195B in aid for Ukraine. Republican critics opposed bill, including Rep. Brian Mast. 218 discharge petition signatures bypassed leadership. Rep. Brian Fitzpatrick signed petition to pressure Senate. Senate likely won't support bill due to 60-vote threshold