What does globalism mean?

glob·al·ism

/ˈɡlōbəˌliz(ə)m/ (noun)

  1. the operation or planning of economic and foreign policy on a global basis.

    "millions have lost jobs to the new globalism" Dictionary definition from Oxford Languages.

What does globalism matter? Why should we strive to think globally? What difference will it make in my life?