Representative democracy .modern nations including the united states have too many people for a direct democracy.
Byzantium/Constantinople was conquered in 1451, but the empire continued to decline starting around the 18th or 19th centuries. It officially died in WWI. As for how long it was a major threat to Europe, the empire's prime was the 16th century, under Suleiman the Magnificent.
There is supposed to be answer choices for this particular question. The clash that the American rebels succeeded in conquering the British troops was the Battle of Lexington. The Minutemen at Lexington ambushed the British troops and prevented them from proceeding to Concord to confiscate the patriots' supplies. If the choices were here, the correct answer would be B.
-<span>world's longest human made structure at more than four thousand miles actually
</span>-co<span>nstructed from a series of smaller walls that were connected together built
</span><span><span>
-to guard against Mongol invaders</span></span>
