c. Congo
the Congo (2,600 miles) and the Nile are the only African rivers longer than the Niger
The more pens<span> a </span>President<span> uses, the more thank-you gifts he can offer to those who helped create that piece of history. The White House often engraves the </span>pens<span>, which are then given as keepsakes to key proponents or supporters of the newly </span>signed <span>legislation.</span>
Answer: Pretty sure the river doesn't reach anywhere close to California.
Explanation: Look at any map, ever.