It all depends on the definition of the term Modern Era. The word modern comes from Latin word modo, which means right now or just now. It was used for the first time during the Renaissance in Italy to bring attention to the great rediscoveries of sciences, the arts, history and politics of Classical antiquity and the subsequent discoveries and progresses accomplished like the Age of Discovery.
If such definition is used as the basis for this question then the answer is definitely C.The establishment of global empires.
Indeed, since during the previous periods, Empires were limited to their immediate geographic areas. There had been some attempts to explore areas that were located much farther like the Vikings and their travels to Greenland and North America.
However, it was the Europeans: and to some lesser extent the Chinese, that actually discovered (in the literal sense of removing the cover) the Americas for the entirety of the world. The discovery paved the way for the emergence of Global Empires that were completely unprecedented in the history of humanity since they spanned several continents. For instance, the Global Spanish Empire Under Philip II of Spain in the 16th Century that spanned the continents of Europe, the Americas, Africa and Asia.
It was the Boston Massacre. Tensions were high between the colonists and Great Britain. The colonists decided to retaliate, causing the soldiers to fire.
Answer:
They seek reforms in the Industrial labor especially for the working class that worked unconditionally hard. That's also when equal rights for women started to spread eventually becoming feminism. The governments made new reforms to improve the conditions of the fabric workers and other heavy labor workers. For the women seeking equal rights they only got the right to be accepted in ALMOST any job up for them but still no right to vote or protection for them in case they suffer home violence.