Answer:
The movement of poor Irish immigrants to the United States in the 1800s is an illustration of the push factor of famine and the pull factor of food availability. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope that the answer helped you.
No branch is stronger than the other. This is because of the two types of checks and balances that are established. If one governmental branch became too strong, the other branches would be able to neutralize such through its given powers. The second type granted is embedded in the institution, in which each branch is secure against each other.