I do not see how this question relates to History subject, but anyway I will answer it because you just could have misplaced it and i could still be useful for you in the English subject.
First let us start by explaining why the other words cannot complete the sentence:
The word<u> loosely </u>is used mainly to talk about things that can or cannot fit into a place, for example clothing, they can fit loosely.
<u>Happily </u>could be used as a literary device for personification to give the water the ability to "feel" happy with the meaning of flowing without problems, but since there is no justification for it in the sentence, we cannot use the word.
<u>Densely</u> cannot be used because it would mean the opposite to the normal reaction caused by heavy rain, when a liquid is dense it moves more slowly.
So the only possible and correct answer is:
1.- swiftly
the heavy rain caused the waters in the little creek besides the park to flow much more swiftly than normal.
Answer:
The Roman army made the roads and sea routes safe for traders. In turn, trade helped the economy grow. People in each area of the empire could sell what they grew or made to people in other areas who could use these goods. They could also buy things that they couldn�t produce for themselves.
Explanation:
Answer:
The invasions of Germanic groups led to a series of negative changes . Three effects of the Germanic invasions were halt on trade. Transportation of goods became unsafe. Less people were educated, and Europe no longer had one spoken language, unable to be understood by all.
<u>Answer</u>
This is a bad belief because when stiff controls are put on goods that offer competition with U.S trades, many problems will occur such as hurting of the U.S exports.
<u>Explanation</u>
When tariffs are placed on imports, tariffs will have to be placed on export too. This will result into hurting citizens in the long-run. For example, in the Smoot-Hawley Tariff Act of 1930 where president Hoover raised protective tariffs on imports so as to protect American business, the process backfired a led to more depression because other countries also increased tariffs with affected U.S exports.