The article says:

many teams took part. they brought robots they had planned, built, and programmed. the teams came from more than 150 countries.

this the reader to know
a) which countries sent teams to a contest
b) what a robotics contest was like
c) which team won a robotics contest
d) what some robots are able to do

Which of the following sentences most clearly uses topical organization? a. do you have problems with mosquitoes and gnats? fabulous exterminators can ! b. we've gathered at this conference to discuss three things: poverty, war, and disease. c. killer bees have spread up from south america into mexico and the united states. d. first, gather all the painting supplies you need. next, lay them out on a work bench.

Read the excerpt from martin luther king jr.’s “i have a dream” speech. the negro is still languishing in the corners of american society and finds himself an exile in his own land. and so we’ve come here today to dramatize a shameful condition. the emotional connotation of the underlined word king express his a. indecision. b. hopefulness. c. spirituality. d. outrage.

The purpose of an informative essay is to express personal feelings about a topic. describe events from a certain point of view. instruct the reader about a topic. express and defend an opinion.