Answer:
The 19th century
Explanation:
The late 19th-century United States is probably best known for the vast expansion of its industrial plant and output. At the heart of these huge increases was the mass production of goods by machines. This process was first introduced and perfected by British textile manufacturers.
nationalism, imperialism, militarism , and forming allies
<span>patriotic feeling, principles, or efforts. please add me as brainiest</span>
B most likely I learned this yesterday but forgot I think its correct but we have Google for these questions
