The Israeli military this weekend deployed tanks to the occupied West Bank for the first time in two decades.In the background of a Gaza ceasefire, Israel has steadily escalated an intense military operation in Palestinian cities in the West Bank, killing dozens and displacing tens of thousands of residents.Since Hamas’ Oct. 7 attack, Israel has regularly launched airstrikes on the West Bank, which was almost unheard of before. Its defense minister, Israel Katz, said on Sunday that he’d instructed the military to stay for a year and “to prevent the return of residents.”President Donald Trump has come under withering criticism for his proposal to expel 2.1 million Palestinians from Gaza. And yet, as the left-leaning Israeli newspaper Haaretz alleged in an editorial Monday, “Israel is already doing in the West Bank what it threatens to do in Gaza.”Here’s what’s happening.What is the West Bank?The West Bank, a territory that lies …