Answer:
This is a primary source, namely a written one, because it derives directly from the past and its content hasn't been alternated.
Explanation:
Historians are dividing sources into primary and secondary. Primary sources are derived directly from the past, meaning that they are created at the time when some event happened. This is an example of primary source, as it is an original letter that one ruler sent to another one.
The person in this poster is representing Nazism. Nazism is a set of political beliefs associated with the Nazi Party of Germany. You can see on the poster a swastika, and swastika's are an emblem of the Nazi Party of Germany.
Answer:
Metre. ... The metre is defined as the length of the path travelled by monochromatic light in a vacuum in 1299 792 458 of a second.
Explanation:
