prostitution in Germany
...that because of an effort to curb the spread of STDs, prostitution in Germany has been legal since the 1920s?
...that because of an effort to curb the spread of <a class="mw-redirect" href="./Sexually_transmitted_disease" id="mwBAI" rel="mw:WikiLink" title="Sexually transmitted disease">STDs</a>, <b id="mwBAM"><a href="./Prostitution_in_Germany" id="mwBAQ" rel="mw:WikiLink" title="Prostitution in Germany">prostitution in Germany</a></b> has been legal since the <a href="./1920s" id="mwBAU" rel="mw:WikiLink" title="1920s">1920s</a>?