The correct answer for the question that is being presented above is this one: "a. macadam." Macadam is the <span>term that refers to the road paving system developed by a Scottish inventor in 1815 that used a raised foundation of crushed rock</span>
Answer: Dual Federalism
Explanation: Dual Federalism is a theory which distributes power between the federal and the state governments. It argues for both the federal and the state governments to have authority and responsibility over individuals, although to different extents. In this form of federalism the federal government exerts its authority over such matters as the military and foreign affairs while the state government should be responsible for welfare and safety.
Dual Federalism was the system of interpreting the constitution between 1789 to about 1937.
Answer:
Without the transistor, you wouldn't for starters be able to have computers, let alone the internet. Transistors are found on microchips and without them there would be no modern electronics. Cell phones, cars, tvs, cameras, house hold appliances, anything with microchips in it has transistors, and without them they couldn't work. How important it is for electronic communication is seen in the idea that there wouldn't be cell phones or computers without them.
