HELP

first picture goes to these answers and question



Based on the map above, which of the following is the country in North America with the fewest state or province divisions?

A Canada
B United States
C Alaska
D Mexico

Second picture goes to these answers and question
On this map, the line of 49 degrees north latitude follows a

A national border.
B long river.
C mountain range.
D state border.

third picture goes to these answers and question

What natural boundary helps form the border between the United States and Mexico?

Gulf of Mexico
Atlantic Ocean
Great Lakes
Rio Grande