I believe, "Tanks were a fast and reliable means of transporting soldiers" is NOT true.
Berlin is the captal of germany
Federal government
Executive
Legislative
Judicial
The historians could be wrong without proper proof to back up their so-called "facts". Therefore, they would need to study and know what they're talking about, before presenting their statements as facts.
Although you did not provide the scenarios, the answer would have to deal with African-americans not being granted citizenship even though they were freed, naturalized, or born within the US. Any African-American that would be denied would be a breach of the 14th amendment.
