Hello and thank you in advance for answering these questions. Please answer ASAP, thank you and good luck:

1. Explain the historical circumstances that led to the development of the Truman Doctrine


2. Identify the speakers purpose in making this speech to Congress in 1971.
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The speech: “In our opinion and from our experience, there is nothing in South Vietnam which could happen that realistically threatens the United States of America. And to attempt to justify the loss of one American life in Vietnam, Cambodia or Laos by linking such loss to the preservation of freedom. . .is to us the height of criminal hypocrisy, and it is that kind of hypocrisy which we feel has torn this country apart. . . We found most people didn't even know the difference between communism and democracy. They only wanted to work in rice paddies without helicopters attacking them and bombs with napalm burning their villages and tearing their country apart. . . .”
Source: John Kerry, testimony to the U.S Senate Committee on Foreign Relations, April 23, 1971.


3. Identify and explain the cause-and-effect relationship associated with the events or ideas in documents 1 and 2. Be sure to use evidence from both documents 1 and 2 in your response.
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Document 1:
The free peoples of the world look to us for support in maintaining their freedoms. If we [fail] in our leadership, we may endanger the peace of the world. And we shall surely endanger the welfare of this nation. Great responsibilities have been placed upon us by the swift movement of events. One of the primary objectives of the foreign policy of the United States is the creation of conditions in which we and other nations will be able to work out a way of life free from [dictatorship]. The free peoples of the world look to us for support in maintaining their freedoms. If we falter in our leadership, we may endanger the peace of the world. And we shall surely endanger the welfare of this nation. Great responsibilities have been placed upon us by the swift movement of events.”
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Document 2:
“In our opinion and from our experience, there is
nothing in South Vietnam which could happen that realistically threatens the United States of America. And to attempt to justify the loss of one American life in Vietnam, Cambodia or Laos by linking such loss to the preservation of freedom. . .is to us the height of criminal hypocrisy, and it is that kind of hypocrisy which we feel has torn this country apart. . . We found most people didn't even know the difference between communism and democracy. They only wanted to work in rice paddies without helicopters strafing [repeatedly attacking] them and bombs with napalm burning their villages and tearing their country apart. . . .”