The answer is True for your question...
I'm pretty sure the answer is B, isolationism.
Answer:- The United States Constitution provides that the House of Representatives "shall have the sole Power of Impeachment" ( Article I, section 2 ) and that "the Senate shall have the sole Power to try all Impeachments
Maarten Schmidt found the spectral lines were high redshift (had their emission lines shifted toward longer, redder wavelengths by the expansion of the Universe)
<span>The puzzle about quasar spectra, which was finally solved by Maarten Schmidt, was </span><span>the brightest known quasar</span>.