I say B. Cherrys as the answer according to some research that seems to be the answer so ok
Answer: Native American land loss heightened tensions between Americans and Native Americans along the frontier. Although there were other sources of conflict between Britain and the United States leading up to the war, Native American land losses alarmed both Native Americans and the British who controlled Canadian territory nearby. The British responded by aiding Native Americans, which the United States saw as a hostile act demanding a response.
Explanation:
The tools that labor can use against management during negotiations would be holding strikes, picketing, and lockout. The only tool that they cannot use while there is an ongoing negotiation would be boycott.
The answer would be letter D boycott.
The (president pro tempore) fills in for the vice President