Who was the first president of the united states?

The first President of Congress was John Hanson, but the first President of the United States was George Washington.

George Washington was the fisrt president

the authority to tax.

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.