I just answered another of these questions, and the answer is The Bill of Rights.
<span>The answer is B
The new agreement helped big business by reducing the power of unions in the United States. In particular, it meant that trade unions could no longer demand that only trade unionists be hired by companies, or participate in secondary boycotts of companies that sold or manipulated non-union goods.
A. The 1956 National Interstate and Defense Highway Law
B. The Taft-Hartley Act of 1947
C. The 1944 Officer Readjustment Act
D. The William Levitt Act of 1958</span>
9. I believe is A. 10. I believe is C. And 11. I believe isD.