The 20th century began as a period of optimism in the Western world. What ended this optimism?

Which sentence in this excerpt from leo tolstoy’s the death of ivan ilyich suggests that ivan ilyich felt his family and friends didn’t understand him and neglected him?

What is the meaning of each underlined word in these excerpts from "a modest proposal" by jonathan swift? i think it is agreed by all parties, that this prodigious number of children in the arms, or on the backs, or at the heels of their mothers, and frequently of their fathers, is in the present deplorable state of the kingdom, a very great additional grievance; and therefore whoever could find out a fair, cheap and easy method of making these children sound and useful members of the common-wealth, would deserve so well of the publick, as to have his statue set up for a preserver of the nation. some persons of a desponding spirit are in great concern about that vast number of poor people, who are aged, diseased, or maimed; and i have been desired to employ my thoughts what course may be taken, to ease the nation of so grievous an incumbrance. the word prodigious means . the word desponding means .

Asentence teacher gives the following speech. prepare a brief speech to accompany your science project. the speech will be presented to a faculty panel selected as judges. include a summary of your hypothesis, methods, and results. provide an explanation of any pictures or charts one of your poster. also share any complications you encountered during the science fair process. who is the intended audience for the teachers speech? a. young students. b. peers at the science fair. c. teacher evaluators. d. science professionals