Why does Natural Selection result in some traits being passed on but not others?

In western europe, under the , jews enjoyed some autonomy. then, during the post–french revolution period, was also tolerant toward the jews.

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries?

Which terms describe the countries with which the united states and soviet union attempted to ally during the proxy wars? check all that apply. unstable newly industrialized colonial newly independent developing militaristic resource rich