A good place to start would be to see if there's anything on NCBI Bookshelf, and then search pubmed for recent review articles. And then you can drill down further using their citations.
No one says that outright but poverty and violent extremism are pretty closely linked. Its not the only factor ofc, and youll always have outliers, but comfortable people with things worth losing are less likely to do something to endanger that.
Sidebar: Do any software co’s complaining about a lack of quality female engineering talent have real apprenticeship programs like Parker Hannifin or Chevron?