Answer:
d.
Explanation:
Based on the information provided within the question it can be said that these gender differences may be due in part to the power of teachers' self-fulfilling prophecies. This may be the case since teachers that are biased regarding gender and test results, then they may subconsciously grade the tests differently and give male students the higher grade as opposed to the female students.
<span>The Roman empire was physically united by good roads and bridges and secure sea lanes.</span>
High tariffs. Tariffs are increased prices on goods.
