Why might the American flag be flown at half-staff on Memorial Day?

What does this picture revesl about the the work of peasent women

The largest city in brazil, sao paulo, has a population of about 11 million. based on the rank-size rule, what is the population of the second-largest city, rio de janeiro, most likely to be? a. 8 – 10 million b. 5 – 6 million c. about 3 million d. about 1 million

Brainliestttme : describe the following event: increase in islamic extremism in the middle east