The first bubble because most of the inventions Americans made was for industrialization during the Industrial Era.
The march primarily focused on gathering support from rural communities which had a high population of Mexican farmworkers. Not only would this march serve as a protest against Reagan and his discriminatory views against Chicanos, but also to garner support for La Raza Unida Party to be on the ballot.
Majority of Southerners were opposed to Lincoln’s stance on slavery.
They saw him as a threat to their livelihood and harbinger of secession.