#10 The answer is yes. Anyone who has visited another country that drives on the other side to what they're used to will know that they are often bumping into people as they tend to dodge in the opposite direction too.
#3 this is because humans and all animals could adapt to natur as their environment (evolution). But the change that modern civilisation brings, happens to fast to adapt properly. But not to confuse back then they suffered, too. Hunger, illness and so on. This is just my opinion, don't take it for a fact.
#10 The answer is yes. Anyone who has visited another country that drives on the other side to what they're used to will know that they are often bumping into people as they tend to dodge in the opposite direction too.
#3 this is because humans and all animals could adapt to natur as their environment (evolution). But the change that modern civilisation brings, happens to fast to adapt properly. But not to confuse back then they suffered, too. Hunger, illness and so on. This is just my opinion, don't take it for a fact.