Which of the following best supports the general argument in the excerpt about how Europeans changed North America?
A-The emergence of racially and culturally mixed populations
B- The efforts to restrict settlement beyond the Appalachian Mountains
C- The spread of maize agriculture
D- The establishment of fenced fields on family farms

Which of the following best supports the general argument in the excerpt about how Europeans changed North America AThe emergence of racially and culturally mix class=