D. Which region of the world has the highest dependency ratio?

Nscience we assume that the force of gravity behaves the same way beyond earth. using this assumptions, we can use the gravitational forces from the sun and moon to explain a: the tides b: a lunar eclipse c: the length of a day d: the revolution of the earth hurry i am timed : ) will give brainliest

Achange in any of the following factors will cause investment spending and aggregate demand to change excepta. the interest rate effect b. expected business conditionsc. real interest rate d. expected future returns created by new technology e. expected business taxes

Briefly explain how one development from the period 1861 to 1865 not directly mentioned un the excerpts supports mcpherson's argument