The correct answer is "Physical Distraction".
The barrier that hindered Robert from listening to the instructions that his boss was giving out was known as a Physical Distraction. The Physical Distraction present in the scenario is the noise made by the discussion between his co-workers. Physical Distractions can be anything that causing the inability to listen or to see things clearly.
A woman’s rights are to have Freedom, Liberty, and the pursuit of happiness to be their own person and free from slavery.
FERTILITY AND MORTALITY. Fertility and mortality in a population depend on sociocultural history, sanitary conditions, and biological factors. Although the last element is generally similar in all human communities, sociocultural and sanitary factors vary considerably.
The issue that developed in regard to the states that would be made from the Louisiana Purchase was whether to allow the states to become slave-bearing states or free states.
Bear in mind that before this, there were equal numbers of slave bearing states and free states. So the issue was they could not make one state at a time because then it would not be equal in terms of slave states and free states.