The best option from the list would be that "<span>He sailed with a group of Vikings to Newfoundland in Canada," since he is considered by many to have discovered North America before Columbus. </span>
It was 17% of slaves. Because during travel some died crossing the route. Like Antarctica. Since they didn't have much clothing they died from frost bite or hypothermia. <span />
The church
enlightenment ideas and the scientific revolution mostly challenged the institution of the church and the state governments. The church was purposefully wounded by the scientific revolution such that most early scientists who contradicted popular church Cosmo-notions were labelled heretics and ex-communicated from the church.
<span />