WASHINGTON (Reuters) -The U.S. House of Representatives was poised on Wednesday for a critical series of votes that would ban U.S. imports of Russian oil, provide emergency aid to Ukraine and fund the federal government through Sept. 30. Democrats and Republicans reached a $1.5 trillion deal overnight to fund the federal government for fiscal year 2022, including $13.6 billion in security and humanitarian aid for Ukraine and $15.6 billion for U.S. COVID-19 response. Some House Democrats, however, were balking at the distribution of aid to states under the COVID response portion of the legislat…