It will be easy about me, why do you think? As an independent sovereign Ivan lll began to behave towards the Tatars. In 1476. He refused to pay them an annual tribute and entered into an alliance with the Crimean Khan, an enemy of the Golden Horde. Standing on the Ugra (1480) put an end to the Mongol-Tatar yoke. The Russian state acquired formal sovereignty.
Answer:
The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain.
Explanation:
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>.
