What is the main conflict in the story?

Nene wants a tribal wedding, but Nnaemeka wants an urban ceremony.
The village elders want Okeke to disown Nnaemeka, but he does not want to.
Nnaemeka’s father wants him to marry a neighbor, but Nnaemeka marries Nene.
Nnaemeka’s father thinks that women should not teach, but Nene is a dedicated teacher.