Answer:
He wanted it to reflect European culture.
Step-by-step explanation:
Peter the Great was famous for his exploits as a great military leader, tactician, and commander of the Russian empire.
During his many travels and battles, he observed the culture of the Europeans and was astonished by it and as a result, he led a cultural revolution in Russia based on the new things he saw and learned so he called his new capital city "a window on Europe"