For my first question “How will the war in Ukraine affect ordinary people in the US and Europe?” I do really like this article, which give a lot of information.

BY SARAKSHI RAI AND SYLVAN LANE – 02/28/22 “Five ways the Russian invasion of Ukraine could impact the US economy”

https://thehill.com/policy/finance/596203-five-ways-the-russian-invasion-of-ukraine-could-impact-americans/

For the second question I got really got article which tells why Russian invasion will affect American food and gas prices.

25 Mar 2022 Robin Pomeroy “How the Ukraine war is driving up food and energy prices for the world”

https://www.weforum.org/agenda/2022/03/ukraine-energy-and-food-radio-davos/

And for the last question about Europe and why it can not refuse Russian gas, I got

BY: BEN MCWILLIAMS, GIOVANNI SGARAVATTI, SIMONE TAGLIAPIETRA AND GEORG ZACHMANN DATE: JANUARY 27, 2022 “Can Europe survive painlessly without Russian gas?”

https://www.bruegel.org/2022/01/can-europe-survive-painlessly-without-russian-gas/