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>.
        
             
        
        
        
Taking into account the statement above: "Which of the following describes the response of Irish Americans to the new immigrants who entered the United States after 1870?"
The answer is: Hostile. 
Hope this helps. 
 
        
             
        
        
        
The American civil war. The south is the blue, the north is red. The south didn’t need to capture any Northern Territory, whereas the north wanted to take over the south so that they could keep the states united, hence the Union.
        
             
        
        
        
The main way in which popular sovereignty applied to federalism is that it allowed settlers of new land to determine whether this new territory would be "slave" or "free", meaning that the states a large amount of power as well as the federal government.