Who were the original knights of labor?

a. a group of factory owners in the steel industry
b. a group of skilled workers who made clothes
c. an army unit that stopped a large railroad strike
d. a political party that started in los angeles

B. A group of skilled workers who made clothes

Explanation:

The Knights of Labor, or KOL, was the first large and national union of workers founded in America, that aimed to protect the workers from abuses by their bosses and the factory owners, founded in 1869 by 1886 they´d became the lardest union force in the United States with over 700,000 members.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.