What is the factors that made the countries in europe suspicious in world war 1

Europe would do many things like they would look at such factors as political, territorial and economic conflicts, militarism, a complex web of alliances and alignments, imperialism and the growth of nationalism. Which led them in many different directions.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.