What contributed did jonas salk make to science in the 1950s a. he invented ddt, the miracle pesticide b. he designed the first us satellite. c. he developed smaller computers. d. he created a vaccine against polio so much

(10 points! ) why did the other allies like great britain and france not support president wilsons 14 points?

The first map shows colonial powers and their holdings (1945). the second map shows human development worldwide. compare the two maps. what do the maps indicate about regions that gained independence in the second half of the twentieth century? they differ in their development patterns. they are as developed as their colonial powers. they are more developed than their colonial powers. they remain less developed than their colonial powers.

In what was the 1851 indian appropriations act considered a peace plan according to the federal government