Which region was made up of small, subsistence farms often isolated from eachother?

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u.s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?

Which of the following did the maya, aztec, and inca all have in common

Tim oxide reacts with the hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grains of sn