After unification of Italy, it suffered a lot of challenges which include:
catching up on industrialization, unequal voting rights among its people, poverty, territorial limitations, a needed alliance with Austria and Germany. So, laws were passed to enhance the political rights of the people.
The correct answer is B) Race riots in several cities.
<em>The adverse effect emerged from African Americans migrating North in search for jobs during World War 1 was race riots in several cities.
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Black men from the Southern states emigrated to the Northern stats during World War 1. They were looking for better job and living opportunities in the North, where the fabrics of munitions and weaponry were hiring many women. This process was called The Great Migration. African Americans populated larger cities of the North like New York, Chicago, Detroit, and St. Louis. They began to form black communities in those areas. But the adverse effect emerged from African Americans migrating North in search for jobs during World War 1 was race riots in several cities.
It allowed books (ideas) to be printed en masse. Reformation vouchers were able to spread their ideals to many readers, causing many to be won over by their words. In essence, they outpaced their competitors.