USA or Trum do not go to war. American citizens electing him are.
“Citizenship status was clearly extremely important to the ancients whose communities had it. Greek and Roman writers, for instance, do not generally write that ‘Athens’ or ‘Carthage’ do something (go to war, make peace, etc), but rather that ‘the Athenians’ or ‘the Carthaginians’ do so – the body of citizens acts, not the state. “