Advantages: Primary sources directly address your topic and often provide information that is unavailable elsewhere. For example, the questions you compose for an interview or a survey will likely target your unique interest in the topic. Similarly, to test a particular hypothesis, you can design your own experiment.
Disadvantages: Some primary sources, such as eyewitness accounts, may be too close to the subject, lacking a critical distance. Others, such as interviews, surveys, and experiments, are time consuming to prepare, administer, and analyze. Finally, unless you have been trained in accepted methodologies, your own primary research in certain fields of study may not be recognized as valid.
B. People were happiest when other around lived similarly
This is false.
The government and the investors were always on the lookout for people who wanted to start businesses and start employing people, whether on farms or factories or anything similar. Land was given for free or owners had major tax cuts or things like that
D. Trade can keep countries from specializing in producing certain goods.
The best option regarding The Feminine Mystique would be "<span>A. Betty Friedan's book, which inspired the second wave of the women's movement," since this was the most notable book of the movement. </span>