Which president led the united states as it expanded into california, new mexico, arizona, texas, and nevada?
a. james k. polk
b. ronald reagan
c. barack obama
d. richard nixon

The correct answer is A. James K. Polk. Obama, Reagan, and Nixon were all modern presidents in times where all those states were already parts of the United States of America. James K. Polk was a 19th century politician and president who led the expansion into these new states since he was the 11th president.

We can’t unless you list the “following” .

In my honest opinion , i’d say franklin d roosevelt was a president that impacted our nation , i say this because fdr is voted among top three best us presidents and he was the longest serving president by 3 terms , usually presidents only supposed to have two terms increments of 4 years , equivalent to 8 years total before election time. and he established the fdic , through the 1933 banking act and he established the us , social security system , during his presidency, and established a national minimum wage , through the fair labor standards act , fdr led the allied coalition to victory in wwii and he played a major role in the creation of the united nations.