D. Sixth Amendment right-to-counsel provision applies to those accused of major crimes under state laws
Explanation:
In Gideon v. Wainwright, the United States Supreme Court ruled that the <u>Sixth Amendment right-to-counsel provision applies to those accused of major crimes under state laws.</u>
B. The united states began to build up its military and stockpile weapons. Both the US and the USSR participated in whats known as the arms race where the US collected enough atomic bombs to destroy the earth 25 times.
It had a very positive impact because the 1920's was when many new technologies were introduced, one example being the the assembly line, which made many industries more productive and profitable.
