I believe the answer is C. Hope this helps
Answer:
Unions were seen as a possibly illegal way to coerce employers into giving in to worker demands. the federal government took the side of employers, doing such things as issuing injunctions against strikes and even sending in troops to help break strikes up.
Explanation:
By forming various organizations.
The European Union, for example, unites Europe (Minus Britain these days) under one banner, thus preventing fighting.
A more direct example is the North Atlantic Treaty Organization. NATO protects the "North Atlantic" and Europe from terrorists and invading countries by using the combined military strength of multiple nations.
Answer:
The great potato famine in Ireland (1845–1849) drove the Irish to the United States in large numbers; they emigrated directly from their homeland to escape poverty and death.
