What were some of the "tricks of the trade" used by the meat packing industry in order to mask the smell and coloring of outdated or ruined meat?

Which of these events related to the protestant reformationoccurred first in 1521?

Which political organization lobbied government officials to control the immigrant population

Atreaty was signed in 1842 to end the border dispute between the u.s. and britain in maine. which best expresses the end result for britain? *pic* the british lost all the territory in maine the british territory was bigger than that of the u.s. the british territory was smaller than that of the u.s. the british territory was the same size as the u.s. territory