During the 1960s, psychology underwent a cognitive revolution as it began to evoke interest in how the mind processes and retains information. the study of brain activity linked with mental activity is called

president andrew jackson, in effect, caused the panic of 1837 by ending the bank of the united states while also issuing an executive order, known as specie circular, that required government land to be purchased with gold or silver.

jackson's actions dried up credit in the us causing the panic.

davy david crockett was a 19th-century american folk hero, frontiersman, soldier, and politician. he is commonly referred to in popular culture by the epithet "king of the wild frontier". he represented tennessee in the u.s. house of representatives and served in the texas revolution.