? Question Drag each tile to the correct box.
Put the developments in the field of psychology in chronological order from the earliest to the most recent.
Tiles
2.G. Stanley Hall set up the first psychology laboratory in the United States.
1.Abraham Maslow proposed his hierarchy of needs.
2.Franz Mesmer experimented with hypnosis.
3.Wolfgang Kohler published Gestalt Psychology.

he thoguht he reached india but he reached north america therfor thats why they are known as nactive americans.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

it made the ground more soft which is better for the world because no one likes walking on a rocky road it hurts your feet