What was one reason for the creation of a bicameral legislature in the united states

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.

What notable contributions to science has sandia national labs (snl) produced over the years?