Constantinople was able to survive due to its <em>strategic</em> location and <em>sofisticated</em> system of fortifications.
Constantinople was able to survive as the <em>central</em> hub of the European culture throughout the early 1000s due to its strategic location, the city was located in a strait between the Black and Mediterranean Seas, between Europe and Asia, which allowed the city to be prevented from many invaders, from Hunes to Arabs.
In addition, the city counted with a sophisticated system of fortifications which made impossible any attempt of siege until the appearance of first developments on modern artillery in the 15th Century, and the city was well communicated with the most important nations in Eastern and Western Europe by sea (i.e. Italy, Carolingian Empire, Kiev' Rus), of which the city may receive reinforcements in desperate situations.
We kindly invite to check this question on Constantinople: brainly.com/question/20238247
All of these answers are correct. you should choose all of these answers.
The correct option is "the national currency was too weak"
While the Southerners resigned their seats in the Senate and the House of Representatives, secession allowed the Republicans to approve proposals that had been blocked by the Southern senators before the war. Among these laws that were approved highlighted the Morrill Act, through which the important iron industry was protected; the Homestead Act, according to which all free citizens who applied for 160 acres of land not yet worked from the territories outside the Thirteen Colonies would be granted; the construction of a transcontinental railroad; the National Banking Act, with which the use of the national currency was developed and the Law of Legal Course of 1862, which authorized the use of bank notes. Fees on income to finance the war were also approved with the Tax Act.
