The technological advance that allowed cities to expand outward are the forms of electric urban transportation. Electric urban transportation includes the mode of transportation that we are seeing today.
B. A graph showing the number of Native America’s between 1492 and 1600.
I think this is the best answer because the question places emphasis on STUDYING the effect of germs exchanged, not what type of germs were exchanged.
something that causes people to leave a country
In congressional committees
<span>At the constitutional convention larger states eagerly supported the "Virginia Plan," since this would have made representation in Congressed based only on state population size. </span>
