"C. <span>Muslims finally defeated the Christian crusaders and retained control of the Holy Land" is the best option from the list since this happened but only for a short time. </span>
Prince Henry the Navigator opened a school for navigation where he lived which was Portugal
Answer: C
Explanation: its the only one that makes sense
In 1969 at a UNESCO Conference in San Francisco, peace activist John McConnell proposed a day to honor the Earth and the concept of peace, to first be celebrated on March 21, 1970, the first day of spring in the northern hemisphere.
