They were ubiquitous, it just didn’t produce stalemates because armies didn’t rely solely on artillery and human waves to break through.
They were still used because they still worked against poorly supported infantry.
Still are used, look at Ukraine.
Obviously the comment was mostly referring to WW1 but there many battlefields that would have looked very much like their WW1 counterparts until some tanks or air support showed up.
They were ubiquitous, it just didn’t produce stalemates because armies didn’t rely solely on artillery and human waves to break through.
They were still used because they still worked against poorly supported infantry.
Still are used, look at Ukraine.
Obviously the comment was mostly referring to WW1 but there many battlefields that would have looked very much like their WW1 counterparts until some tanks or air support showed up.