The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.
Manifest Destiny. Manifest Destiny was the belief that the United States was destined to extend its territory to the Pacific Ocean. ... Some Americans were opposed to manifest destiny because other nations (Mexico & Great Britain) claimed the land and because they felt an expansive nation would be too large to govern.
The correct answer is letter D
The main pueblos were located in Chaco Canyon, in northwestern New Mexico. There, Anasazi society developed from 600 AD until the second half of the 12th century, and at its peak Pueblo Bonito, the region's main stronghold and mixed political, economic and religious center, housed around 1,200 inhabitants - 25% of all the canyon population.
A walk through the Chaco Canyon nowadays causes astonishment to the visitors. The region is uninhabited and occupied by sparse and low vegetation.
Japan was desperate for resources. (Apex)
