I think A.
The most remarkable feature of Harappan civilisation was its urbanisation. The Harappan places which were small towns, show an advanced sense of town planning. ... System town planning, drainage system, granary, dockyard, public bathing place, use of bricks, buildings, etc.
Answer;
Iron Curtain;
When Hungary opened its borders, it created a "hole" in the iron curtain.
Explanation;
Hungary was the first country to punch a hole in the Iron Curtain.
<span>This meant that many refugees from Eastern Germany who had fled to Hungary, were going to leave and move to Western Germany. They would take this trip by going through Austria (neighboring country of Hungary) to reach Western Germany. Mikhail Gorbachev was personally outraged by this, stating that Hungary had not asked him before taking this measure.</span>
The old Roman Republic from its Empire had it's Emperor, Hail Caesar, with nearly absolute power. But being a republic then, they also had a Senate of which the Senators were elected from the people, as government's representatives of and for the people. This concept can be adapted to resemble our current legislative branch, vis-à-vis Congress. And of course our executive, commander-in-chief, stems from a less domineering figure of Rome's Emperor Caesar.
<span>The British were occupying Philadelphia for the winter. The American Army needed to keep an eye on them and prevent them from foraging in the countryside for food they needed
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