Answer:
Vested with sufficient powers
Explanation:
Jay uses the phrase <em>vested with sufficient powers</em><em> </em>to describe the American government (... <em>united under one </em><em><u>federal government</u></em><em>, </em><em>vested with sufficient powers</em>...).
The phrase <em>intelligent and well-informed</em> describes Americans. The phrases <em>uniformly entertained</em> and <em>erroneous opinion</em> are not used to describe other words.
A) they have only encountered him once and he was angry about his neighbor and that made scout and jewel to be timid towards him.