Answer:
B) Bosses lobbied on the immigrants' behalf.
Step-by-step explanation:
The term lobby is defined in the field of political science as the influence on a given political decision-making procedure, in accordance with an orientation and interest, whether social or economic. Lobbying also refers to lobbying, the purpose of which is to interfere with their decisions, usually due to the particular favors of particular groups.
The bosses lobbied on behalf of immigrants to seek benefits and some privileges for these immigrants. This influenced immigrants to vote for "bosses".