Triangular trade or triangle trade is a historical term indicating trade among three ports or regions.
It was 1496-1497 hope this helps
He was able to utilize interchangeable parts to make is plows more efficient. He started using iorn as his material for building plows. Since iron was heavier it was easier to dig into the soil.
We pay taxes to fund a variety of federal, states, and local services. Half of Americans taxes burden is for federal programs. Most of this pays for social security, Medicare, and defense states and local taxes pay for Medicaid, infrastructure, and libraries.
Hope this helped, so long sorry:)
Answer:
Radar
Explanation:
Radar technology employs the use of radio waves in determining the distances speed and location of certain objects. This was instrumental during the war as it helped countries foil secret attacks being planned.
It was used to operate anti-aircraft guns and was used on ships for easy navigation at night and to locate enemy ships and aircraft.