Answer:
Explanation: The entry of the United States into World War I changed the course of the war, and the war, in turn, changed America. ... The American Expeditionary Forces arrived in Europe in 1917 and helped turn the tide in favor of Britain and France, leading to an Allied victory over Germany and Austria in November 1918.
Because they was a possibility that their family member would not return.
Answer:
C. The Inca developed the first written Language in the Americas
Explanation:
The Inca or Inca Empire was the largest empire in pre-Columbian America. To the territory of the same one it was denominated Tawantinsuyu and to the period of its dominion is known to him, in addition, like incanato and / or incario. It flourished in the Andean region of the subcontinent between the 15th and 16th centuries, as a consequence of the apogee of the Inca civilization. It covered nearly two million square kilometers between the Pacific Ocean and the Amazon rainforest, from the vicinity of Pasto (Colombia) to the north to the Maule River (Chile) to the south.
The contents or mathematical concepts were applied by the Incas, mainly, in the calculation of results and quantities of the Economy. Although important systems of measurement were developed in the Incario, quipus and yupanas are better known, which represent the important mathematical presence in the Inca administration. Quipus were mnemonic systems consisting of knotted strips; only the results of the mathematical operations carried out previously in the abacos or yupana were knotted.
The Spanish chroniclers narrate that the khipu kamayuqkuna read in the knots of the quipus the history of the Incas, relating births, wars, conquests, names of the nobles and times of such events. «They are some memorials or records made of branches, in which different knots and different colors mean different things. It is incredible what they achieved in this way, because how much books can tell of stories, and laws, and ceremonies and business accounts, all that supplies the equipment so punctually, that they admire ». The writing that underlies the quipus has not yet been deciphered. There is currently a study on the possible Inca script, the English William Burns, who considers that it was of an alphanumeric character represented with geometric figures on looms and drawings by the chronicler Felipe Guaman Poma de Ayala that would have originated in the time of the Pachacutec ruler .
