What were some challenges peter the great faced

Some of the challenges Peter the great faced are: health issues,had to overcome aristocracy,had to deal with revolt among citizens.

Explanation:

Peter the great had several health issues he suffered form bladder and urinary tract infection.He had to overcome oppositions from the country's medieval aristocracy.The high taxes that he imposed to accomplish various reform caused revolt among the citizens themselves.Peter was known to be cruel and tyrannical regardless of is good leadership.

My best answer is the haudenosaunnee or the iroquois.