Contributed

The generous dentist contributed some two billion yen to charity.

Penicillin has contributed much to the welfare of mankind.

Nobody contributed to the understanding of dreams as much as Freud.

What factor contributed to the reaction?

Those people contributed greatly to world peace.

The old man contributed a large sum of money to the poor.

The player contributed to the victory.

A generous man contributed some two billion yen to charity.

Einstein's theories contributed greatly to modern science.

A power failure contributed to the confusion in the hall.