I would connect my information with both topics and try to figure out how the connect
Answer:
Haitian Revolution, series of conflicts between 1791 and 1804 between Haitian slaves, colonists, the armies of the British and French colonizers, and a number of other parties. Through the struggle, the Haitian people ultimately won independence from France and thereby became the first country to be founded by former slaves.
Explanation:
Hope it may help you .....
Installing active solar energy systems on all available, unshaded rooftop
space and positioning them to face south.
<h3>What is a Solar system?</h3>
A solar system usually comprises of panels which help to collect solar
energy from the Sun and convert them to other forms of energy such as:
The Passive system optimizes the use of heat or light directly from the sun
while the active systems converts the sun's energy into a more usable form
such as electricity. It is also best to position the panels to face south
because the Sun is found at this region thereby encouraging maximum
trapping of solar energy.
Read more about Solar system here brainly.com/question/19483420
I'd say D. expert power because expert power is when an employee ( or in your case the teacher) has a high set of knowledge/skills that other employees do not posses. Which by the information above about this teacher's PhD and thier experience, I assume that this teacher must have expert power.