"They promised bills and laws in favor of immigrants in exchange for votes" is the one way among the following choices given in the question that political machines, such as Tammany Hall, work with and for immigrants.
Self pollination happens when the pollen is deposited on the same flower or another flower on the same plant, while cross pollination is the transfer of pollen from another plant on a different flower
Absentee voting: To vote from abroad, you must register with local election officials in your state of voting residence AND request an absentee ballot.
