What called for a stop to european colonization of the americas ..?

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

Due to serious dogmatic differences between the orthodox church and the western christan churches, the orthodox church is not in communion with the roman catholic and protestant communities true or false

Before becoming president, abraham lincoln participated in a series important political debates with jefferson davis andrew johnson stephen douglas andrew jackson