During the 20th century, battle included devastating effects on civilians due to advancements in weaponry. what were examples of the change in weapons?
-air attacks from planes on non-specific targets but city blocks.
-submarines were now common.
-troops carried bayonets as well as guns.
-the use of the first hand grenades.

b.

jim crow laws were enacted in northern states.

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