Retroactive interference occurs when new information tries to recall older information. In other words, we can say that later learning interferes in some way with earlier learning.
It also exists Proactive interference and both proactive and retroactive Interference usually take place where the memories are similar. An example of this can be when we get confused with old and new telephone numbers.
"<span>Military power shifted away from European nations" is the best option since it was this very military power that allowed the European nations to be so dominating.</span>
