What did the ancient egyptians have to learn to do to make possible the growth of their civilization?

they had to design boats and cataracts to navigate bad waters.

they had to form peaceful alliances with neighbors to defend against fights.

they had to make detailed maps to safely cross the sahara and other desert lands.

they had to build reservoirs, and irrigation ditches to control river flooding.

They had to design boats and cataracts to navigate bad waters.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.