By 1910 what percentage or the population immigration to the union states was made up of southern and eastern europeans

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.

this is a good question! i'll do some research and come back when i have the answer!