Franz Boas publicly objected to US participation in World War I, and after the war he published a brief exposé and condemnation of the participation of several American archaeologists in espionage in Mexico under their cover as scientists.
fɹˈænts bˈoʊəz pˈʌblɪkli ɑːbdʒˈɛktᵻd tə jˌuːˈɛs pɑːɹtˈɪsɪpˈeɪʃən ɪn wˈɜːld wˈɔːɹ ˈaɪ, ænd ˈæftɚ ðə wˈɔːɹ hiː pˈʌblɪʃt ɐ bɹˈiːf ɛkspəsˈeɪ ænd kɑːndɛmnˈeɪʃən ʌvðə pɑːɹtˈɪsɪpˈeɪʃən ʌv sˈɛvɹəl ɐmˈɛɹɪkən ˌɑːɹkiːˈɑːlədʒˌɪsts ɪn ˈɛspɪənˌɑːʒ ɪn mˈɛksɪkˌoʊ ˌʌndɚ ðɛɹ kˈʌvɚɹ æz sˈaɪəntɪsts.