Mary, first, I'd like to see you on an e-bike!
In that light, I'd just like to say some of this talk about "made in China" is complete rubbish, not relevant. MOST of the bikes being ridden around here stateside are "made in China" built using components that are "made in China" and they are holding up really well, contrary to what you've been told here so far. Stuff written by riders of much more expensive bikes. From the sounds of it, they are STILL trying to justify the fact they spent that much money on a bike....
Here's a vote for the RAD City. Why? It's relatively inexpensive, it's reasonably sturdy, and parts should be easy to come by (if you ever need them). The biggest reason though - by far- is that bike is going to teach you a TON. Absolute worst case, you ride it for a year and decide the bike isn't for you, the reason why is not important yet. NOW, being a much better educated rider/buyer with a year of experience under your belt, you know exactly what you want.
Bonus, because you went with a RAD, you will have one of the most popular bikes available for sale. This means it should sell for top dollar (unlike an unknown bike from Amazon), and there should be enough demand for it where it will be relatively easy to sell quickly. My thoughts, FWIW.
Oh, and last, unless you are just commuting around on a college campus or something, you WANT a bike that can be shifted for varying conditions - like hills and wind for instance....