The pact is called the Pekin Agreement in Lincoln biographies.

Entity and relation annotations:
id: 0
type: entity
value: text: the Pekin Agreement
labels: <Regulation>
id: 1
type: entity
value: text: Lincoln biographies
labels: <Work_of_art>
id: 2
type: entity
value: text: Lincoln
labels: <Person>
type: relation
to_id: 1
labels: Person:is_character_in:Work_of_art
from_id: 2