what factors contributed to world war i?

Will give brainliest what changes took place in the soviet union and eastern europe after ww2

What event ensured england safe passage to colonize north america? a) many englishmen desired more religious freedom than the king allowed.b) england's government decided to take advantage of america's wealth of resources.c) england's defeat of the spanish armada in 1588 opened up the seaways.d) cabot claimed the north atlantic coast for england in 1497.

Describe two observations that galileo was the first to make with his telescope.