Cotton since it was taken back to the slavery period and was very useful
Answer:

Explanation:
The formula for apparent brightness is given by the next inequation:

Where B equals apparent brightnes, L equals luminosity and D equals distance.
SO we just have to clear distance from the formula and are left with the inequation to calculate distance:

Answer:
<em>Justice Thurgood Marshall</em>
Explanation:
<em><u>h</u></em><em><u>ope </u></em><em><u>it</u></em><em><u> will</u></em><em><u> help</u></em><em><u> you</u></em><em><u> </u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Poor people didn't have much money or food and worked as servants to farmers. That would be the first part, but the last part I don't know.
The correct answer should be <span>cognitive-behavioral therapy. This is a therapy created specifically for treating depression but is now applied to many other disorders. It is based on changing the individual feeling and beliefs of the person who you are treating. It's goal is solving problems and resolving harmful behavioral patterns.</span>