Abarrier to american expansion in the west that had been overcome by the late 1700s was
a. the northwest territory.
b. the appalachian mountains.
c. the oregon country.
d. the louisiana territory.

Why is julius caesar considered an important roman leader? a. his assassination led to a civil war that ended the roman republic.b. his commitment to justice led to the creation of the twelve tablesc. his support for democracy led to expand voting rights for all romansd. his policies as dictator led to a period of peace known as the pax romana