Yes, data is reliable for predicting the future because if you think about weather forecasts they use a huge chart of data to help foresee what the weather will be for the day after, the week after, and etc. This is only one of the examples for data being reliable. Especially if it's fastdata, actionable data, and so on.
Absolutely not because this would mean we'd not work with International countries and many other things. Look up the definition of Isolationism and come up with your own answer in your own words because it's asking you to provide your own opinion
Civil society refers to "the aggregate of non-governmental organizations and institutions that manifests interests and will of citizens." Civil society also defines another part of society, which is seen as less prevalent, such as the family, because they are nonaligned to the government. However, civil society can relate to the freedom of speech or other elements that make up a democratic society.