1. which of the facts below is the most important about marco polo’s travels for encouraging european exploration?
a; he went with his father.
b; he used a land route.
c; he kept a careful record of all he saw and wrote a book.
d; he saw paper money being used.

food chain i would say only because there is competition on getting food and survival

but equal

explanation:

plessy v. ferguson (1896) is an important us supreme court decision that kept racial segregation based on "separate but equal". however, these racially segregated trains and places were not actually equal. plessy v. ferguson (1896) was finally overturned by brown v. board of education in 1954.