Because they helped strengthen their industrial-based economy
Answer:
first and second
Explanation:
Black citizens were denied access to the same public facilities as whites.
Marriages between white and nonwhite citizens were forbidden.
Nonwhite citizens were required to carry identification papers with them at all times.
This is known as the Peasant Revolt
In June rebels from Esscex and Kent marched toward London. On the 13th the Kentish men, under Wat Tyler, entered London, where they murdered some Flemish farmers.