What was the reason for viking invasions?

The exact purposes behind Vikings invasion are questionable and still not established concretely; some have proposed it was because of overpopulation of their country, however the most early Vikings were searching for wealth, not land. Research recommended an extensive variety of potential triggers for the Viking Age. One situation indicated that warm atmospheres prompted better harvests and along these lines bigger populaces, and that such huge gatherings felt constrained to attack. Another referred to advancements in cruising innovation, for example, the increments of keels and sails to Scandinavian longships.

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.