Category "geom"

How to adjust the ratio of my x axis in my line graph in r?

I am creating a line graph in R using ggplot2. So far the graph is looking fine (I am relatively new to all this), but I have run into an issue trying to adjust

possible to have separate factor levels for each axis in one graph?

I'm trying to plot a Sankey diagram of financial flows between a source country and counterpart country. ggplot(dat_ggforce, aes(x=x, id=id, split = y, value=yv