"Change we can believe in" or "Yes we can!"
Answer:
I believe the printing press. Before the printing press books were very rare and expensive. Most religious scrolls were put on cloth or papyrus(a type of plant). After the invention of the printing press it made books less rare and expensive. And launched the world into a more modern era.
Many immigrants migrate from the coastal plains and settle in America in order to live a hassle free life hence the emergence of Ethnic enclaves encouraged the immigrants to be open to various culture and languages.
Ethnic enclaves are most common in North America. These enclaves are mostly residential areas which are formed particularly for a certain ethnic groups. They are self-reliant and the success of the group depends on the resources available in the enclaves or ghettoes. These Enclaves are in the form of tourist spots. Economic activities bustle in such areas.
Chinatown in North America is an ethnic enclave which was open to Christianity.
It reminded people that a nuclear war would be devastating for everyone.
