The boroughs of new york city are an example of boundaries.
a. state
b. federal
c. intracity
d. county

The correct answer is c. intracity.

Indeed, the five boroughs of the city of New York represent administrative divisions within the city. Some people tend to confuse them with the counties they share their borders with but borough governance and country governance are actually separate.

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

d. the right to establish a one-house legislature