Leon works in the secondary sector.
During the majority of WWI, the United States wanted to remain isolated in what many considered to be a European conflict. President Woodrow Wilson himself advocated isolationism until a series of conflicts drew the US into war against Germany.
There are a few primary bits of confirmation that help the Big Bang theory. One is the way that the universe is extending, demonstrated with something many refer to as redshift. The second is something many refer to as inestimable microwave foundation radiation. The third is the plenitude of various components in the universe.
Answer:d) the availability heuristic
Explanation:
There are many ways in which we take short means to understand something as fast as we can. When we want to understand something but depend on what comes to mind first in order to understand it that is know as availability heuristic.
Let us say you want to decide on something many things come to mind all at once in your mind and you end up thinking these are frequent event when compared to others. You end up overestimating the probability of that thing happening again in the future. So what ever comes to mind at that moment you make conclusion based on it.