In 1881 he invented one of his most important discoveries.
It was for the production of a carbon filament, or thin strand, for electric light bulbs.
Answer:
Major step towards decentralization was taken in 1992. The Constitution was amended to make the third-tier of democracy more powerful and effective.
Explanation:
One major pull factor that contributed to the population growth shown in the urban area of northern Illinois and Indiana was "<span>racial discrimination," since many blacks in the South fled to the North in the hopes of living better lives. </span>