Mexico's northern territories were under-populated because
a.
the economy offered many opportunities
b.
communication with the frontier was fast and efficient
c.
people were not motivated to relocate
d.
the national military protected people

World war i is generally considered to be the first instance of total war. where every of-age citizen and all possible resources are mobilized in the war effort. in light of this, do you believe britain's blockade of germany-which eventually extended to all goods, thereby violating international law-was justified? explain your opinion.