Which of the following is a method countries use to establish a claim telepathy?

a. they explore the region

b. they create maps of the region

c. they establish outposts or settlements in the region

d. all of the above

Even though the u.s. was not at war roosevelt met with great britain to sign this secret pact that neither country would seek territorial gains after the war. a atlantic charter c. potsdam charter b. yalta charter d. london charter