Part a: what does the word "toil" most likely
mean as used in paragraph 11?
a to entertain
b to worship strongly
c to work extremely hard
d to become exhausted

C

Explanation:

The word toil means to suffer or to do something very hard. C would be the closest.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

its c