2. Civil Service is the correct answer
This quote relates to the development of the Fugitive Slave Law developed during this time to attempt to appease both the North and South. It was meant to benefit the North, for example by giving them the territory of California as a "free state", a non-slave state with voting rights. And to appease the South, what became known as the Fugitive Slave Law, which obligated Northerners to return slaves who had escaped. The "irritant" is the fact that Northerners attempted to avoid repatriation and returning of the slaves, so while the South had given their concessions of territory, the North had difficulty implementing the obligatory return of slaves.<span />
It was Great Britain. You can see it through the fact that English is still spoken there. Southern Rhodesia is today's Zimbabwe and Northern Rhodesia is today's Zambia.
Answer:
Lewis and Clark's team mapped uncharted land, rivers, and mountains. They brought back journals filled with information about the Native American tribes. They also brought back scientific notes about plants and animals they'd never seen before.