during the world war 1 african american fought in live combat and were recognized by the US as heroes for their bravery

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million

Space is not completely empty. there are small particles in space. what happens when these particles come together?

How is an objective summary different from an argumentative essay? o a. a summary should remain neutral, but an argumentative essay should promote a certain viewpoint. o b. a summary should use direct quotations, but an argumentative essay should paraphrase evidence. o c. a summary should include a works-cited list, but an argumentative essay should not cite others' work. o d. a summary should focus on a thesis, but an argumentative essay should address many different topics.