How has washington's support of the jay treaty affected the united states' relationships with foreign nations today? the jay treaty improved relations between the u. s. and native americans by allowing them to settle in the colonies. this was the beginning of a friendly relationship that still exists today. the jay treaty established an alliance between the military forces of the u. s. and france, and today, they are usually the first country to support the united states' military actions. the jay treaty to prevent war and began an important trading relationship between the u. s. and great britain, one of the united states' strongest allies today. the jay treaty created an alliance between the u. s., great britain, and france, and these countries still maintain a positive relationship today.