How does wien displacement law explain the realationship of a stars color and its tempature

How do goods differ from services? (economics)

Which of the following was a result of the reconstruction act of 1867? check all of the boxes that apply.

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.