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).
The Confederacy? The interest seems to be the act of slavery and the war Lincoln is talking about must be the Civil War, which was taking place while Lincoln was addressing his second inaugural. Lincoln was reasoning that the Confederacy was fighting to keep slavery, which is the interest the "insurgents" have. Lincoln also did not want slavery to continue to spread, but he was fine with having slavery, "restrict the territorial enlargement if [slavery]".
answer A the availability of raw materials
A Nazi corporal who executed thousands of Jews in a concentration camp.
Terrorism could have links to religion, and or political conflicts. some terrorists events could be linked to historical events as well.
