After Germany’s unification in 1871, industrialization accelerated and surpassed the US becoming first in steel production. industrialization continued mainly in the west. workers for industrial jobs were difficult to find. constructed vast networks of railroads.

answer; i believe that the correct answer is rapid and subsequently slow down;

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

d

explanation:

it establishes america’s basic laws and fundamentals to its citizens.