The government is concerned by letting non native species in the non native species will take over the natural habitat of native species destroying the local environment and dwindling the population of native animals. Saying something along those lines would be good
Explains the economy and money
It allowed the economy to improve greatly, creating a high-speed method of transporting mass amounts of products across great distances. It opened up more jobs for people, stimulating the economy, and created and improved industries, such as coal, steel, and lumber.
