Answer:
Everything changed during the Industrial Revolution, which began around 1750. People found an extra source of energy with an incredible capacity for work. That source was fossil fuels — coal, oil, and natural gas, though coal led the way — formed underground from the remains of plants and animals from much earlier geologic times. When these fuels were burned, they released energy, originally from the Sun, that had been stored for hundreds of millions of years.
Explanation:
Sorry, I cant I don't speak that language.
Answer:
People could be worried whether they will affect their jobs and businesses.
Explanation:
Foreign treaties are international binding agreements between two countries that establishes rules or obligations between two or more international laws. When new foreign treaties are introduced, people could be worried whether they will affect their jobs and businesses because these treaties are just new compared with what they are used to and the treaties has not been practised before. When introduced, people will be worried because they don't know the form and effect the new foreign treaties will take.
