They are likely to be biased is the true statement about using secondary sources.
option: A
<u>Explanation:</u>
Secondary sources are considered to be the interpretations and evidence that we get from primary sources. These are basically are not even evidence, these are rather comments and discussion on the evidence on certain concepts or believes. Secondary sources come to picture when it is written after a fact with an advantage of hindsight. Essays on reviews, bibliographies, biographical works, commentaries, criticisms are some of the examples of the secondary sources.
A decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality – a doctrine that came to be known as "separate but equal”
Answer and Explanation:
Germany managed to invade France in 46 days. This surprised all of Europe who believed that the French resistance would be more aggressive, and could even defeat the Nazis.
One of the main reasons why Germany managed to conquer France was the use of the blitzkrieg. This was an innovative strategy for the time, when the German attacked its enemies with a series of coordinated attacks that united infantry, aviation and armored vehicles in a single point of the enemy's defense. To attack France, Germany used this strategy in the Ardennes, where the French army was completely cornered.
In addition, the German army made constant use of methamphetamines, which allowed soldiers to spend long periods of time without getting tired, promoting a progressive and fulminating attack.
