Europe had practical seafaring since antiquity. European naval technology during the discovery of the Americas was on par with other Eastern Hemisphere naval powers.
The naval technology empowered the discovery, but it isn't like Europe was special at the time.
Also, it still took a while to bypass the Silk Road. Even when Europe did, it still ran into an issue that China wouldn't trade for any European manufactured goods, just gold and silver.
It is more identifying where the threat is going to come than anything else.