Question 1 of 10 Abraham Lincoln was the first president to ---
A
send messages by telegraph
B
make parts of the White House open to the public
use photography in his election campaign
D
travel to what is now California

b

Explanation:

i just know dont feel like talikng about it

they believed democracy was worth the fight

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.