The answer is the Ottoman Empire.
The Ottoman Empire conquered the Byzantine Empire and its capital, Constantinople, in 1453 CE. Since then, the Ottoman Empire remained as a strong power and its sovereignty spanned from the Balkans and Anatolia to the Middle East and all of North-Africa. Since it was an Islamic empire, it influenced strongly in the culture and politics of the Middle East. This empire collapsed with the end of the World War I in 1919, and most of its former territories were divided by the British and the French or formed new nation-states. The Republic of Turkey is the direct heir state of the Ottoman Empire.
Explanation:
Changes to the government are called Amendments.
There have been 27 changes so far, or, there are currently 27 Amendments. The first 10 Amendments are called The Bill of Rights.
Answer:
They needed to add new constitutional amendments after the civil war because the civil war was about freedom for black Americans which meant that the amendments were intended to guarantee the freedom of former slaves and to establish and prevent discrimination in certain civil rights to former slaves and all citizens of the United States.
This would be considered an opinion since lots of people disagree with vanilla being the best ice cream flavor.