Better climate maybe and more available resources.
Reconstruction matter's in everything even animals use it.
Reconstruction happens everyday by animals like ants and beetles, termite, weavers and the classic honey bee. But our race humans uses reconstruction when our things get destroyed and we want them back . Reconstruction cycles things around even the economy.
So reconstructing is in many things and forms and helps daily, that's why it matters.
In general, yes it is true that increased competition for power among European states and led to imperialism, but first it led to nationalism, which then led to imperialism, since nationalism inspired far more pride.
The two sides in a civil war consist of people from the same country. There are no foreign forces, usually people who war over their beliefs. The US Civil War was led because of people who wanted to free the slaves who fought those who wanted to keep the slaves.
It started the civil war between the Union and the Confederacy
