The invention and inventor that are credited with changing the nature of commerce and news in the first half of the 19th century would be the telephone and it's inventor Alexander Graham Bell.
Answer:
New Imperialism is the answer
Explanation:
In historical contexts, New Imperialism characterizes a period of colonial expansion by European powers, the United States, and Japan during the late 19th and early 20th centuries. The period featured an unprecedented pursuit of overseas territorial acquisitions.
Over 150 years ago, Abraham Lincoln and Stephan A. Douglas held seven debates as they campaigned for a Senate seat in Illinois. The debates focused on the issue of slavery and its expansion into the territories. Douglas helped overturn the prohibition on slavery in the territories of Kansas and Nebraska with the Kansas-Nebraska Act. Referred to as popular sovereignty, citizens in Kansas and Nebraska, not the federal government, could determine whether slavery should be allowed to exist in these territories.
Freedman's Bureau Act: To coordinate efforts to protect the rights of former slaves and provide them with education and medical care, Congress creates the Freedmen's Bureau. One of the bureau's most important functions is to oversee labor contracts between ex-slaves and employers
