These are mud bricks, thatched with straw, grass, or hay. The dirt bricks are packed tight, then set out in the sun to harden into a brick.
The government outlawed slavery in 1981 and made it a crime in 2007. Estimates of the percentage of slaves vary from 10% to 20% of Mauritanian population.
Answer:
1) Secondary source 2) Primary source 3) reliable source 4) unreliable source
Explanation:
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The major industry would be ranching
