For a military empire, this is crucial. Incan cities were built high in the mountains on cliffs that dropped hundreds of feet. As a result, the Incas were in great shape and were some of the best runners in history. Mountains have lots of natural resources to sustain civilization, including fresh water and food.
Because there are no income limits on Roth 401(k) contributions, these accounts provide a way for high earners to invest in a Roth without converting a traditional IRA. In 2014, you can contribute up to $17,500 to a Roth 401(k), a traditional 401(k) or a combination of the two.ecause there are no income limits on Roth 401(k) contributions, these accounts provide a way for high earners to invest in a Roth without converting a traditional IRA. In 2014, you can contribute up to $17,500 to a Roth 401(k), a traditional 401(k) or a combination of the two.
Traditional IRA contributions do not have income limits, but the income limits for a Roth IRA phases out for single filers between $116,000 to $131,000 ($183,000 to $193,000 for married) for 2015, unless you use a Backdoor Roth IRA.ou can contribute to a 401(k) and Traditional IRA. If you have a choice and you are putting in as much as you can for the 401(k) already, my choice would be the Roth. You would already be getting tax deferrment from the 401(k) so the Roth would be a better compliment.