What sentence has a capitalization error?

(1) north america measures 3,300 miles at its widest point—from st. john's, newfoundland, to the pacific coast. (2) from alaska to mexico, the continent extends 4,900 miles. (3) unlike europe, which is made up of many small nations, north america is composed of only three large nations: canada, the united states, and mexico.

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate.