The best and most correct answer among the choices provided by your question is the fourth choice or letter D. Most African countries have Unitary form of government.
A unitary state is a state governed as a single power in which the central government<span> is ultimately supreme and any administrative divisions (sub-national units) exercise only powers that the central </span>government chooses to delegate. The majority of states in the world have a unitary system of government<span>.
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Eating seafood twice a week decreases the risk of heart stroke
The last step before the bill becomes law the signing of the bill by the president.
When the bill reaches the president, he has three choices namely:
1. he can sign and pass the bill
2. He can refuse to sign, or veto the bill, in which case the bill is returned to the house of representatives along with the president's reasons for thr veto.
3. Do nothing (pocket veto). In this case, if congress is in session, the bill automatically becomes law, but if it is not in progress, the bill does not become law.
This is called non material culture. It is thoughts, ideas or values that make up a culture.