His innovations as the phonograph, the incandescent light bulb and one of the earliest motion picture cameras. He also created the world's first industrial research laboratory.
A. It challenged the Kings authority.
<span>Mixed market economies focus on preserving as much freedom to make economic choices as possible. Governments in these economies have limited involvement in managing and regulating the economy. In contrast, command economies are focused most on preserving and requiring equal opportunities, which means governments that greatly regulate the economy. More economic systems are geared toward offering producers and consumers the freedom to make economic choices, so mixed market economies are more common in the world today.</span>
According to different estimates, between 65,000 and 120,000 sub-Saharan Africans enter the Maghreb (Mauritania, Morocco, Tunisia, Algeria, and Libya) yearly, of which 70 to 80 percent are believed to migrate through Libya and 20 to 30 percent through Algeria and Morocco. Several tens of thousands (not hundreds of thousands, as media coverage might suggest) of sub-Saharan Africans try to cross the Mediterranean each year.
