Answer: The Tariff of 1816, also known as the Dallas Tariff, is notable as the first tariff passed by Congress with an explicit function of protecting U.S. manufactured items from overseas competition. ... The South consistently opposed protective tariffs during the remainder of the ante bellum period.
Explanation:
That would be radar.
This was a key battle between Britain's RAF (Royal Air Force) and the Luftwaffe, if the Germans would've won most likely Britain would've been German; and many different outcomes could've happened in the past.
But, since radar was invented, and the British employed it in their tactics; that along with the communication between them helped repel the attack in the Battle of Britain.
Syria, Japan, Israel, and India.
The answer is D. I hope this helps!!! :)
