The correct answer to this open question is the following.
Although the question does not include options, we can comment on the following.
A key similarity in the policies of the rulers of African states such as Ethiopia in the period circa 1200–1450 was that some African states were capable to overcome geographical barriers and other internal issues to establish trade and diplomatic relationships with other states in Africa, Asia, and Europe.
In the case of Ethiopia, the ruler of Italy received important Ethiopian diplomats that visited Naples in 1450. The Emperor of Ethiopia was King David, and he sent to Naples a man called Pietro, who notify the King of Italy that Ethiopians professed the Christian religion.
Promotion could have multiple meanings.
For example, if you say "Mr. Knight got promoted (or got a promotion) from supervisor to manager". There promotion means "raise".
If a product is at promotion there promotion means advertising efforts.
It could also refer to a way to support a cause. For example: There's a campaing supporting healthy lifestyle promotion.
the answer is C, the OPEC oil embargo :)
Pickett's charge
This was an infantry assault ordered by confederate general Lee against union General Maj. Gen. George G. Meade's Union positions on July 3, 1863, which was the last day of the Battle of Gettysburg.The battle resulted to a major victory for the union soldiers and after the battle,the confederate had lost both politically and militarily.
<span>Under the Articles of Confederation the central government of the United States consisted of:
D) confederation Congress</span>
