2 adverbs to describe how to negotiation

The Duke of Brittany, John IV., after having openly defied the King of France, his suzerain, was obliged to fly to England, and the King of Navarre entered upon negotiations alternately with Edward III.

SIR: Negotiations with the Wyandots for a cession of their lands in Ohio and removal to the country west of the Mississippi have been pending for some years.

2 adverbs to describe how to  negotiation  - Adverbs for  negotiation