Answer:
A.
Explanation:
Uncontrollable expenditures. Expenditures that are determined not by a fixed amount of money appropriated by Congress but by how many eligible beneficiaries there are for a program or by previous obligations of the government.
The eastern Mediterranean was once known as the eastern Roman empire before the actual fall of Rome in the 5th century, but it was later known as the Byzantine empire throughout the rest of the middle ages. It was known as the actual successor the the Roman Empire as oppose to the growing Holy Roman Empire in the German lands. The main changes were 1st its name, it renamed itself as the Byzantine empire. 2nd, was the revision of the Roman laws into the so-called Justinian code. 3rd is the rise of the new type of architecture that differ much from the old Roman, it blended the eastern arab and roman architecture, the best example is the Hagia Sophia. Their Capital Constantinople as opposed to Rome was founded in Christian origin rather than the polytheistic Greco-Roman religion. Their problems were also different in a way that Rome was located in the sea so basically it lacks the problem of naval warfare compared to Constantinople which is always under threat of the growing Islamic sphere. The continuity was found in the field of politics, economy, military and culture, much of the Roman influences are still found in this new empire. The writings of the classics like Plato's and other greek philosophers were developed and maintained unlike in the west where much of it was forgotten. Sciences were preserved and cultivated.
Nicolaus Copernicus published an early heliocentric model that involved perfect circles. The model challenged the traditional geocentric Ptolemaic system and the idea that the Earth is at the center of the universe. Copernicus' heliocentric system was published in his book, "On the Revolutions of Celestial Spheres".
Copernicus published this model after his death in 1543. The first publication was in a Polish language translation of the work by Rheticus in 1617.
<h3 /><h3>Why is it called a heliocentric model?</h3>
- A heliocentric model is a model of the solar system that places the Sun at its center.
- The term heliocentric comes from the Greek words helios (sun) and kentron (center).
- A heliocentric model can be contrasted with geocentric models, which place Earth at the center of the universe.
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Answer:
It is impressive to reflect that 100 years ago, in the midst of a savage fraternal war, the United States Congress established a body devoted to the advancement of scientific research," Kennedy said. "The recognition then of the value of 'abstract science' ran against the grain of our traditional preoccupation with technology and engineering
