Answer:
option 2: material created after the period of time in an event occurred
Explanation:
first we need to know what primary source is
a primary source may be someone or something with a direct knowledge of the event or situation.this is the most reliable sourceof information about an event or situation obtained directely from the event
secondary source is obtained from the primary source hence being obtained after the period of time an event occured.it is information derived from the primary source
All of the countries were having a battle of who could build the biggest bombs, guns, tanks, weapons, technology, etc. which created tension between rival countries. everyone was afraid of the next country being too powerful. Hope it makes sense :-)
Justinian I failed to regain all of the former provinces of the old Roman Empire really from a combination of all these reasons, but the main one was that he made military blunders.
Two, Three, and Four.
Two because under capitalism, all industries are owned by private individuals.
Three because under capitalism, people are able to either work for someone else, or start their own business.
Four because under capitalism, supply and demand are the core principle of capitalism.
One and Five are both more of communism. Karl Marx came up with the communist manifesto, and wages being set by the government is a very authoritarian and leftist ideal.