Wich event may have contributed to the fall of the kingdom of kush

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress