Which of the following events sparked mass relocations of mexicans to texas at the turn of the 20th century?
a.
world war i
b.
world war ii
c.
mexican revolution
d.
u. s. civil war

Option C is correct. Mexican Revolution sparked mass relocations of Mexicans to Texas at the turn of the 20th Century.  

The Mexican Revolution, also known as the Mexican Civil War wasone of the most relevant armed struggle, lasting roughly from 1910 to 1920, that radically shifted Mexican culture and government. The origins of the conflict were based in opposition to the Díaz regime. The 1910 election was the catalyst for the outbreak of political rebellion.  

the correct answer is "c: merchants" and "e. soldiers".

the song dynasty was known as the first government in the world to introduce paper currency. it was also the first chinese government which established a permanent standing navy. finally, the first compass was introduced during this period of government.

all of these innovations heavily affected commerce in a positive way. printed money dynamize commerce within the borders of the empire due to an easier way to quantify value during the trade. the introduction of the compass trade routes to be faster. finally, the introduction of a standing navy regulate trade routes.

regarding military affairs, gunpowder was created during this period. this was a tremendous improvement that was widely utilized by the military in order to innovate in the manufacturing of weapons.