Why is the main character, nnaemeka, unsure of whether or not his father will be happy about the engagement?

In Chinua Achebe's short story, Marriage is A Private Affair, the lead character, Nnaemeka wants to marry Nene, the girl that he loves, but his father wants him to marry to the girl that he has chosen for his son. It is the beginning of the conflict between the father and son and also between the traditional and modern values which runs throughout the story. Therefore, Nnaemeka is unsure what will his father say, how will he react after learning that he is going to marry the girl that he himself has chosen.  

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."

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