How do historians know that the people in the kingdoms of ghana, mali, and songhai had common ancestors who migrated to east africa by about 500 b.c.e?
a)they all had genetic characteristics that linked them to the ancient egyptian people
b)they all spoke closely related languages that originally came from the bantu people
c)they all practiced the same religion that originated in the western part of africa
d)they all had tribal connections that identified them with groups from ethiopia

They wanted to make a political statement about American support for Israel

Explanation:

Al-Qaeda was the biggest villain in the world until recently, operating in the Middle East, but also having lot of affiliations in other regions like Africa, Southeast Asia, Caucasus, the Balkans. It was the largest terrorist organization, having extreme Islamic beliefs as its basis and core. It was a terrorist organization that waged wars and supported other terrorist organizations against Israel and the West, especially the United States. Because of the support of the United States for Israel, and all the tensions and hatred toward this nation from al-Qaeda, the attacked on American soil, using planes to take down very important buildings. This was done in order to show the United States that they are vulnerable, and that they should not interfere in the Middle East.