Simplify the following text for a Grade 9 native English-speaking person.
Original: The Congress of Arras was a diplomatic congregation established in Arras in 1435 between representatives of England , France , and Burgundy .
Simplified: The Congress of Arras was a political collection of people created in Arras in 1435 between England , France , and Burgundy . The Treaty of Arras ( 1435 ) was an important diplomatic win for France late in the Hundred Years ' War .