What is the vast river basin that covers most of northern brazil and parts of bolivia, peru, ecuador, colombia, and venezuela?

What were some of the different and mutual demands of the various national unions? what tactics did they employ to realize their demands?

According to thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by:

During jefferson's administration, which of the following represented his tenure? a) he believed the power of his gov depended upon his popularity b) jefferson thought that the strength of his government depended its use if force c) she refused to add territory to the u.s without approval of the states. d) jefferson though of “hands off” approach to the states and less power in the cen. gov. would benefit the nation