We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america.
in three to five sentences, explain the significance of capitalizing the word "posterity" in the preamble.

The signifcance of capitalizing the word 'posterity' in the Preamble of the Constitution is that, from the moment it was established until tomorrow, all Amendments and statements addressed in the Constitution will everlastingly cover, for benefit and duty, every member of every family who is a citizen of the United States of America, generation after generation, for the sake and good of the Nation.

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."