PLS HELP ASAP How did the ability to grown surplus crops effect the Egyptian civilization?

a
People could specialize the different trades.
b
More people were interested unmoving to Egypt.
c
The size of the Egyptian population declined.
d
Fewer homes were built on the banks of the Nile.

How has the elimination of trade barriers affected the movement of goods among member countries of the european union? a. member countries are able to produce all the goods they need. b. goods can move freely among member countries. c. member countries no longer need to trade with countries outside the eu. d. larger countries are able to import more goods than smaller ones.

17 points! ! (explain your answer)

Which of the following has been the result of clean water supplies, greater availability of medicines, and improved vaccines? a lower crude birthrates b. fewer women working outside the home c. higher levels of education d. longer life expectancies