Read the original and improved research questions.
original: what is the relationship between natural resources and the industrial revolution?
improved: how did coal contribute to the industrial revolution in pittsburgh in the 1880s?
which of the basic question words improve this research question? select three options.
how
what
when
where
why

The primary question words that had assisted in enhancing the given research question would be:

A). How

B). What

C). When

Hence, options A, B, and C are the correct answers.

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What, how, when

Be specific and stick to a topic.  Know your source and understand how something came to pass or work.  It is always important when doing research to understand when something occurred so you can accurately complete your research.

Explanation:

i thing that the best option is a.they feared it would cause a second economic collapse.

one of the most negatives aspects of the new deal was that it upset the balanced federal budget and led to a huge deficit for the nation while at the same time failed to end increasing unemployment. roosevelt's program, based on keynesian theories of economics, called for massive government spending to stimulate the economy. as he   failed to do this with large tax increases; large sums of money were borrowed to fund new deal programs. when the economy showed some improvement, roosevelt was concerned about inflation, and ordered cuts in government spending. unfortunately, he did so at a time when the new social security tax had cut people's disposable income. businesses were too afraid of spending, and the economy in 1937 was in worse shape than in 1929. at the end of that year, two million people were unemployed.

explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.