Answer:
I believe the answers are b. and d. in that order as well.
Explanation:
The circumstance that did not lead to a treaty by Nixon is the creation of the Family Assistance Plan.
<h3>What was the Family Assistance Plan?</h3>
This was the plan that was aimed at the creation of negative income tax for families that had working parents.
A treat can be defined as an agreement that is signed between two or more nations or states.
Read more on treaty here:
brainly.com/question/15439035
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"The White House Plumbers"
"The Plumbers," as they were commonly termed, were a White House Special Investigations Unit, established by President Richard Nixon in July, 1971. This was a reaction after Daniel Ellsberg had leaked what became known as <em>The Pentagon Papers </em>to the <em>New York Times</em>, and the <em>Times </em>began publishing excerpts from them in June, 1971.
Members of the Plumbers unit were responsible for the Watergate break-ins that resulted in the scandal that eventually brought down the Nixon presidency.
Answer:
rational
Explanation:

6 and -6 are both rational numbers because they can both be expressed as a fraction.
This is somewhat of a subjective question, but most would agree that no, Andrew Carnegie and John <span>Rockefeller were not too greedy to be philanthropists, since this was categorized more as "financial ambition" back then. </span>