What route did alvar nunez cabeza de vaca explored

What was the 1787 constitutional convention? !

What do you think was a drawback to this method of calculating distance

By the late 1930s, how were u. s. officials beginning to view japanese policies of expansion? a. they attempted to join forces with japan so as to increase u. s. territory. b. they warned them to stop expansionist actions or face potential u. s. intervention. c. they sent representatives to japan to work out territorial rights in a diplomatic fashion. d. they became fearful of their military power