Jackson’s forces defended themselves by building _[blank]_, which were artificial barricades for military defense

I believe that Jackson’s forces defended themselves by building trenches, which were artificial barricades for military defense.

the answer is a

their confiscation of contraband and the sinking if the lusitania

answer: researching and understanding issues being considered by lawmakers.

explanation:

lobbying is the act of attempting to influence a politician's behaviour. lobbyists can be members of a constituency, organizations, businesses, non-profit organizations or professional lobbyists.