B. The United States was shown a letter from Germany encouraging Mexico to invade America.
On the Griswold vs Connecticut case, justice Goldberg based his concurring opinion on the protection granted by the constitution because a cornstack law prohibited any use of medicinal article or instrument that prevented conception in Connecticut in 1965.
The answer is D. Tom thumb
If im correct the answer should be Submarines and mines were an inexpensive and better way to engage battleships. I hope this helps. let me know if it doesnt
