The answer is that <span>healthy </span>legs<span> have </span>veins<span> with smooth, elastic walls that </span>are<span> perfectly designed to </span>adapt<span> to the changes in pressure within a </span>vein<span>. </span>Veins<span> have </span>valves<span> that keep blood moving in one direction: back toward the heart. As the </span>leg<span> muscles </span>are<span> activated, the </span>venous valves<span> open to </span>allow<span> one-way flow in the direction of the heart.</span>
Answer:
Nation-States
Explanation:
The process of centralizing the king's military power took place at the end of feudalism and was the great symbol of the formation of European nation-states, mainly Spain, Portugal and France, which were the first to adopt this system and establish the king's political control over a territory. This process was considered very modern, ending feudalism and giving space for new forms of governance to stabilize.
<h2>Answer:</h2><h3>Islamic affect on Mali</h3>
Muslims are the 95 percent of the community of Mali. The bulk of Muslims in Mali are Mali kite Sunni, led with Sufism.
During the 9th century, Muslim Berber and Tuareg traders delivered Islam southward into West Africa. Islam also grew in the country by the patrons of Sufi affiliations. Turn to Islam associated the West African Savannah to have faith in one God and alike new kinds of administrative, cultural and decorative accouterments.
<h3>Islamic affect on Songhai Empire:</h3>
The Songhai Empire began a fishing and negotiating center on the Niger River in a place called GAO where West African and Muslim merchants visited frequently. Just like Ghana and Mali, the Songhai people were motivated by Islam, and many people even turned. For many years, Songhai people were commanded by Mali and were compelled to pay taxes. Songhai people were ordered to bow before Mali kings as a sign of obedience. In 1325, on the way back from Mecca, Mansa Musa took two of Songhai’s king’s sons as prisoners. One of the sons, Prince Ali Kolon, admitted his learning but always was very sore towards Mali. After 30 years, Ali Kolon left to Songhai and set the Sunni Dynasty.
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