Respuesta :

They were isolated from Europe.

Because of russia's religion and geography the country was isolated from Europe in the 1600s . Option D is correct.

Russia is a transcontinental country in Eastern Europe and North Asia. At 17,125,200 square kilometres (6,612,100 sq mi), Russia is considered the e largest country in the world by area, encompassing more than one-eighth of the Earth's inhabited land area,

In the 1600s, Russia remained isolated from the sea trade.