Name some of the social costs of instability

The bishnoi conservationist is take care of nature and grow with it, instead of exploiting it explain the statement

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.

How did kenya gain its idpendence in 1963