The new capital of west germany was

Bonn

Explanation:

Bonn is a city in western Germany straddling the Rhine river. It’s known for the central Beethoven House, a memorial and museum honoring the composer’s birthplace. Nearby are Bonn Minster, a church with a Romanesque cloister and Gothic elements, the pink-and-gold Altes Rathaus, or old city hall, and Poppelsdorf Palace housing a mineralogical museum

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.