Answer:
Formaldehyde is a highly reactive molecule that can be directly irritating to tissues with which it comes into contact. Human and animal studies indicate that formaldehyde, at certain exposure levels, can be irritating to the upper respiratory tract and eyes with inhalation exposure, to the skin with dermal exposure, and to the gastrointestinal tract with oral exposure. Formaldehyde-induced noncancer and cancer effects appear to occur only at portals-of-entry (i.e., upper respiratory tract, gastrointestinal tract, and skin).
They had to produce more and more crops to raise enough money to feed their families. Over time the money was cut down because of how much they produced. Kind of like clearance. They couldn't feed there families anymore so they sold or gave their farm away and moved to the city for better work
Answer:
Plantation labor
four million enslaved people in the U.S. in 1860, nine out of ten lived on farms and plantations (mostly cotton plantations), and half lived in the Deep South.
Homer Plessy "<span>a. Sat on a railroad car designated for Whites," which the Supreme Court ruled as illegal in the case "Plessy vs. Ferguson," since this case upheld "separate but equal policies" in the US. </span>
Actions by the federal reserve system to expand or contract the money supply