Контрольная работа 3, вариант 1railroad was first seriously considered by the United States government as early as the late 1840s after gold had been discovered in California. They saw it as a way to open up Western lands for settlement and
Динамика цен на мировом рынке (на примере золота)[электронный ресурс]: http://gold.ru/charts/index.html (дата обращения 28.05.2019) 2. График цен на Золото за 5 лет в Долларах США (USD) [электронный ресурс]: https://ru.bullion-rates.com/gold/USD/Year-5-chart