The episode titles refer to quotes taken from Dwight Eisenhower's farewell address. If you do a little homework, you'll learn that the address refers to the issue of the Cold War and America's military influence at that time. This seems to suggest an overarching theme to this season, whereby the military are powerful…

"I’m still not really a fan of this whole Evil Laoghaire development. I
wish her villain origin story hinged on more than just unrequited love.
The Outlander writers are smarter than this tired, gendered trope."