This is a map of the major climate regions of Africa. The thin black lines represent rivers, while the thicker black lines divide the region into four sections: sahel, savanna, rainforest, and savanna woodland.
What are you asking here? sorry.
The shared way of life is "culture" - all other options are entities, and not ways of life. This means that we can only consider options a) and d)
among those, "nation" is a better word for a political entity (but actually I would say that "country" is the best word for a political entity) - so in the end the correct answer is d)
Temporary and movable homes
little specialization; most men and women involved in herding
people identified by blood relations: lineages, clans, and tribes
The words that best fit the given statement would be "after" and "at the same time as." The famous James-Lange theory in psychology was theorised by William James and Carl Lange in which the theory hypothesises that emotion could be caused by our body's physiological reactions from an event happening.
