How can modern barbed wire stop tanks from simply running over it when WW2 era barbed wire couldn't? - Quora
When and why did the US military change from barbed wire to concertina razor wire? Was it an American invention? - Quora
![Soldiers of the Polish Army build a fence with concertina wire at the border with Belarusian in Krynki, Poland on 27 August, 2021. In August Poland experienced influx of immigrannts from the Soldiers of the Polish Army build a fence with concertina wire at the border with Belarusian in Krynki, Poland on 27 August, 2021. In August Poland experienced influx of immigrannts from the](https://c8.alamy.com/comp/2GG0TB3/soldiers-of-the-polish-army-build-a-fence-with-concertina-wire-at-the-border-with-belarusian-in-krynki-poland-on-27-august-2021-in-august-poland-experienced-influx-of-immigrannts-from-the-middle-east-the-polish-government-decided-to-build-a-fence-to-put-a-stop-to-the-migrants-walking-across-the-belarus-border-which-is-also-the-border-of-the-european-union-poland-accuses-the-lukashenko-regime-of-orchestrating-the-transit-of-thousands-of-migrants-from-the-middle-east-to-put-pressure-on-the-eu-photo-by-dominika-zarzyckasipa-usa-2GG0TB3.jpg)
Soldiers of the Polish Army build a fence with concertina wire at the border with Belarusian in Krynki, Poland on 27 August, 2021. In August Poland experienced influx of immigrannts from the
![At the border, uncertainty about the migrant caravan and military concertina wire - The Washington Post At the border, uncertainty about the migrant caravan and military concertina wire - The Washington Post](https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/PFS3GZHGCUI6RBCJD7ZGGYE2GE.jpg)