How have dating and marriage changed throughout US history?Explain using examples.

Dating/Sex/Cohabitation/Marriage. How have dating and marriage changed throughout US history?Explain using examples. Based on reading (17)Schwartz: Explain the three pieces of evidence that Schwartz offers to support her argument that Americans are fearful of and misinformed about sex. Explain two sources of fear about sexuality. What is Schwartz’s answer to this issue?