Can anyone please help me with me sentence formation in English

You have been given the assignment of speaking about the affects of illegal drug use on youth in america. which of the following types of research is likely not to be necessary while preparing for your speech? a. a government website with statistics on convictions for possession among adolescents under the age of 18 b. a library book about the pharmaceutical drug industry in america c. a recent article from cnn.com about a special home for teenagers addicted to drugs d. a website that provides support for parents whose children are in rehab

What caused the american civil war? there were many reasons for a civil war to happen in america, and political issues and disagreements began soon after the american revolution ended in 1782. between the years 1800 and 1860, arguments between the north and south grew more intense. one of the main quarrels was about taxes paid on goods brought into this country from foreign countries. this tax was called a tariff. southerners felt these tariffs were unfair and aimed toward them because they imported a wider variety of goods than most northern people. taxes were also placed on many southern goods that were shipped to foreign countries, an expense that was not always applied to northern goods of equal value. an awkward economic structure allowed states and private transportation companies to do this, which also affected southern banks that found themselves paying higher interest rates on loans made with banks in the north. the situation grew worse after several “panics,” including one in 1857 that affected more northern banks than southern. southern financiers found themselves burdened with high payments just to save northern banks that had suffered financial losses through poor investment. which sentence from the selection states a major detail that supports the main idea? a there were many reasons for a civil war to happen in america, and political issues and disagreements began soon after the american revolution ended in 1782. b taxes were also placed on many southern goods that were shipped to foreign countries, an expense that was not always applied to northern goods of equal value. c the situation grew worse after several "panics," including one in 1857 that affected more northern banks than southern. d this tax was called a tariff. e between the years 1800 and 1860, arguments between the north and south grew more intense.

How is time represented in “persistence of memory” by salvador dali? what effect does dali achieve? can writers use similar techniques in written works? how would writers achieve this with words?