One common social structure among ethnic groups in sub-Saharan Africa is segmentary lineage organisation. Segmentary lineage societies are characterised by the foremost importance of kin relationships in determining individuals' social and political allegiances, as well as their patterns of residence.
The correct answer is B.
<u>This is part of a radio speech delivered by President Roosevelt in December 1940</u> (this was the second year in WWII, and the US was still neutral in the conflict).
He aimed to convince the audience about the necessity of ensuring a safe defense strategy for Great Britain, so that they were able to avoid the German invasion and resist the many attacks they were suffering.
Apart from the ideological fight against nazism, Roosevelt highlighted how if GB fell, the last territory in the Atlantic, before reaching the US, would have been conquered. That would pose a direct threat on the US. <u>Therefore, he supported the idea that GB should remain free at any cost. </u>
During the Renaissance, Leonardo da Vinci painted the famous painting called "The Last Supper". He used a different technique that was actually developed because of it. Leonardo was commissioned by Duke Ludovico for the refectory of the monastery of Santa Maria delle Grazie in Milan. In order to paint it, Vinci used an oil mix and applied it to drywall. The correct answer is PERSPECTIVE.