Answer:
They ended up writing the US constitution(D).
Explanation:
The shrinking of the economy lowered the profit after selling goods and it wouldn't make sense not to lay off workers
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.
It was the "<span>Interstate Commerce Act" that was the first major law regulating business, since this was a time of great expansion in the US which led to business "colluding" with one another. </span>