How did imperialism heighten tensions in europe ?

The imperialism increase tension among european countries because european nation's sense of rivalry and mistrust of one another deepened as they competed for colonies in Asia and Africa. The tensions grew because there was existing territorial disputes and people all wanted industrial dominance and power.

Communicating with the dead was common, it wasn’t seen as bizarre or weird,” explains murch. “it’s hard to imagine that now, we look at that and think, ‘why are you opening the gates of hell? ’