Q: whereupon とはどういう意味ですか?
A: "Con lo cual". Used to showing that something happens just after or because of something that have been mentioned


Q: whereupon を使った例文を教えて下さい。
A: This word is not used often. I would avoid it.

He won the lottery and received his check whereupon he immediately gambled it all away.

I ate seafood whereupon I became sick as I didn't know I was allergic to clams.
Q: whereupon を使った例文を教えて下さい。
A: She passed the test in March, whereupon she was enrolled at the university.

Note that this is formal written English and the word is not normally used in conversation.
Q: whereupon, granted, granting, forasmuch, insomuch を使った例文を教えて下さい。
A: No he visto "forasmuch" o "insomuch" nunca, pero:

"Trump won the election, whereupon half the population emigrated to Canada."

"I really don't like Donald Trump. Granted, he has a few good ideas."

"The people were granted additional rights by the government."

"The government should stop granting them so many rights. They already have it better than everyone else."