2) Did economic development and westward expansion affect all parts of the nation the same?

No, the different geographical and cultural backgrounds of the U.S combined with westward expansion had a unique effect across its territories.

Explanation:

The issue of slavery became deep when the new territory brought in the landscape. The established states were increasingly broken apart as the nation gradually expanded. The economic and social differences became more prominent and both North and South latched to their practices and traditions. The late 1800s witnessed the growth of American urban society through immigration and expansion of the territory. As the requirements of factory employees became more significant, the disparity in demands between rural and urban populations of America heavily influenced the national landscape.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.