33K views · 175 reactions | Barbed wire is a fencing wire lined with sharp metal points—called barbs—placed at regular intervals 望 Invented in the 19th century, it became one of the most effective and inexpensive ways to contain livestock and protect property. Its design made it tough to cross without injury, changing agriculture and land security forever. - #history #engineering #barbedwire #invention #factfile | How History Is Created | Facebook