It continued for about 3 years
Answer:
c) variability, reactivity, and complexity.
Explanation:
According to the textbook, the three things that make people especially difficult to study are <em>variability, reactivity, and complexity</em>. Moreover, people are very difficult to study because there are ethical issues when observing and measuring other human beings. Variability makes people difficult to measure because there are many differences between people, and also people are complex beings. Reactivity makes people act differently when they know they are being observed.
The immediate cause of World War One is the assassination of Archduke Franz Ferdinand and his wife on 28 June 1914. The heir to the throne of the Austro-Hungarian Empire, Archduke Franz Ferdinand and his wife Sophie in Sarajevo, shortly before the assault by Bosnian student Gavrilo Prinzip.
Benjamin Franklin was the patriot who persuaded France to help the Americans in the Revolutionary War.
Globalization means the speedup of movements and exchanges (of human beings, goods, and services, capital, technologies or cultural practices) all over the planet. One of the effects of globalization is that it promotes and increases interactions between different regions and populations around the globe.
