After the Louisiana Purchase, the land size of the United States doubled! Goods that were being produced in one part of the country need to get to the other part the soonest possible time. By the 1830s, the steam engine was introduced and it cemented the importance of railroads. Read about the first railroads in the US and the Transcontinental Railroad that linked the east to the west.
Об авторе
Baby Professor showcases a collection of subjects that are educational for kids to help them learn how to do something themselves, exactly how something is done or how it came about. Children love to learn through attractive visuals and Baby Prof. is ideal to get your child the head start he or she needs for the future. Our Motto — ‘Learning is Fun, so let’s Make it Fun to Learn’.
Больше книг от того же автора (ов) / редактор
22 675 Электронные книги в этой категории
