Answer:
d.
Explanation:
if wrong sorry if right brainliest
A. changed the balance ofpower between state and national governments.
Well According to the author, why did a Mexican force attack Zachary Taylor's troops when they arrived at the Rio Grande River? ... Polk was not fighting to protect Americans on American soil, he was provoking the Mexican government into firing the first shot.
Answer:
Cities became overcrowded as more and more people traveled to the north, looking for factory work.
Explanation:
The first half of the 1800s in the history of the United States of America was characterized by changes in the level of manufacturing and transportation.
The increase in the level of manufacturing industry and transportation networks led to various people going up north where there is an abundance of the industry to seek jobs.
However, as the cities became overcrowded, many of the laborers were paid lower wages with long hours of work requirements.