Help please and thank you!!

What were the strengths used to persuade the audience in the speech “i have a dream” i really need on this one. i also posted a few more. can someone ?

Which persuasive technique is used in this advertisement? are you sick and tired of that outdated cell phone of yours? does your signal cut out every time you make a call? are you paying too much for horrible cell phone service? well, those days are over! the new generation g550 digital cell phone is a gem in a sea of everyday rocks. it is the most revolutionary cell phone on today's market. the facts speak the truth. the generation g550 cell phone can be yours for a mere $99.95. this is today's hottest technology! do what the rest of the country is doing and buy one now before you miss out! you don't want to be the only one in your group without a phone like this, do you? a. celebrity endorsement b. scientific data c. emotional appeal d. bandwagon

Click on the box to choose whether each sentence restates the key idea expressed in the key sentence. key idea: it is sometimes necessary to adjust yourself to those who fail to adjust to you. people like to have their own way. (does) (does not) restate the idea? animals are required to adjust their living patterns to their environment. (does) (does not) restate the idea? people often find it necessary to make adjustments in their lives because others won't. (does) (does not) restate the idea? we should treat others like we would want to be treated. (does) (does not) restate the idea? some people refuse to change. (does) (does not) restate the idea? others' refusal to change for us may mean that we must change for them. (does) (does not) restate the idea? others' failure to change provides the basis for our own refusal to change. (does) (does not) restate the idea? sometimes we need to stay the same, even when others change. (does) (does not) restate the idea? insisting that others adjust to us will prevent us from having to adjust to others. (does) (does not) restate the idea? if we don't agree with others, we should act as though we do. (does) (does not) restate the idea?