Modern era was is the term that historians use to describe the historical period between the beginning of the 16th century and the 21st century.
Answer is D Introduction of new plants and animals cause nobody had found the Americas until then hope this helps
They used Maginot Line. The Maginot Line was built to fulfill several purposes: To prevent a German surprise attack. ... To push Germany into an effort to circumvent via Switzerland or Belgium, and allow France to fight the next war off French soil to avoid a repeat of 1914–1918. To be used as a basis for a counter-offensive.
The were allies in North America to fight the British
Socialists were in many ways looking for a radical change in the way society was structured. Their main goal was to re-build economic, political, philosophical and religious systems from scratch, neglecting everything related to the capitalist society they wanted to overcome. Because of this idea of re-installation, of decosntruction of all known models, socialists were utopian in their way of thinking and developing.
Social reformers on the other hand, understood the principles of socialist and communist societies but also the fact that their idea of democracy required winning state power. By slowly adapting the established system to their social reforms they could remain in power for long periods of time that could then be used to further transform and fix the issues presented by capitalism like lack of education, low wages and inequity.
