>>1934613>when the wealthier Africans start trying to build high speed rail, they will either ask China or Spain, nobody elseIt's a little bit difficult with trains due to their inherent proprietarity.
But when it comes to highways for cars you can split up the highway into sections, one for China and 1 for Japan:
https://www.youtube.com/watch?v=XiQ6tZTU1R0And it usually turns out it's the Japanese side that is grossly inaccurate about project costs during the bidding phase.
Then when only 80% of the road is complete, the Japanese haggle with the host and ask them to pump more money into the project.
Unfortunately for Japan it turns out countries talk to each other, and experiences are shared, and the bad rep is spread through word of mouth from embassy to embassy.