The knights of labor suffered a steady decline in membership and influence due to
lost strikes and
a: the homestead strike.
b: its support of marxism.
c: the haymarket riot.
d: its refusal to use arbitration.

answer; william penn's approach made the colony diverse by attracting many types of people and religions;

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

to make world peace not vileonce with fist but words