If the following connective were used between the last two main points in an informative speech, the speech would most likely be organized in order.

Chronological.

Explanation:

An informative speech primarily intends to inform or educate the readers about a particular subject matter or topic. Such a speech is usually organized in a specific pattern(chronological, spatial, problem-solution, etc.) to convey the intended ideas effectively and elicit the desired response from the audience.

As per the question, the speech would be characterized as arranged in 'chronological' order if the connective has been employed between the last two key points as this reflects that each event is leading to another and how they are affiliated to one another in a sequence. Therefore, such an organizational pattern would display the sequence or series of items chronologically which promotes a comprehensive understanding of the content to the readers.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."

a. is the correct answer