In which sentence does the author most clearly define his argument the goal of sending a man to the moon

Hello. You forgot to put the part of the speech that the question is referring to. The speech part is:

"if we are to win the battle that is now going on around the world between freedom and tyran occurred in recent weeks should have made clear to us all the impact of this adventure on them efforts in space have been under review. with the advice of the vice president, we have examine we may succeed and where we may not. now it is time to take longer strides-time for a great a clearly leading role in space achievement. this in many ways may hold the key to our future on recognizing the head start obtained by the soviets with their large rocket engines, we nevert own. for while we cannot guarantee that we shall one day be first, we can guarantee that any fa additional risk by making it in full view of the world, but this very risk enhances our stature whe whatever mankind must undertake, free men must fully share. "

"this in many ways may hold the key to our future on recognizing the head start obtained by the soviets with their large rocket engines, we nevert own."

Explanation:

The above sentence reinforces the argument of the author of the speech, on why the government should invest in the space race. This is because the phrase shows that the author believes that it is in the space race that this is the key to success in the battle against the Soviet Union. For the author, the investment in the space race would give strength to the USA and establish its power as a potential to be followed and admired.

"the day we found the sharks' teeth" i would say highlight the element of the plot as it sets its boundaries and centers the adventures of them being on a boat and cleaning spit of sand.

an argumentative essay presents objectively a topic and its main characteristics. besides, it states all this information and facts by giving authentic and substantiated proof to the audience. by contrast, a persuasive text purpose is to convince the audience about some facts by presenting them according to his/her emotions and feelings. the main purpose of a persuasive text is to convince the audience to agree with the author´s opinion. on the other hand, in the argumentative essay, the author leads the writer to recognize his/her point of view as the correct one.