What is the definition of treaty of tordesilla

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

Which of the following statements about new spain is true

The u.s. intervened in korea and vietnam to stop the spread of