Original sentence: Native American trade beads were originally made beginning in approx the 1500's in the Czech Republic and were heavily traded into the USA via the Hudson Trading Company.The "newer" trade beads made within the last 30 year were never used by the Indians but they are still considered Indian beads.They were originally brought to the US in the 1700, 1800 & early 1900's by Europeans, many of whom were involved in the African slave trade.They were used extensively by the North American Indians for adornment and trade - which is why they are referred to as Native American trade beads
Edited sentence: Africa was not the only outlet for these beads.As far back as Christopher Columbus' expeditions, these beads were traded to Native Americans for goods and slaves.Chevron beads are a specific, historically important type of trade bead.Trade beads are various types of beads made in Europe specifically to be used in the slave trade and other trading in Africa