Your English is fine.
Actually, we're cooperating a lot these days, far more than most people realize.
Especially in space. "we come in peace, for all mankind" These accomplishments are real and we all are justified in being
very proud of them.
Global navigation systems are now a big part of our lives. And extremely useful. They are even more accurate when multiple systems are combined. Those drones are positioned using GNSS systems like GLONASS and GPS.
The position and orientation can be controlled to an accuracy of just a few cm using GNSS systems, so they can also be used for lots of things including as you mention, rapid automated construction using rotorcraft designed for lifting and manipulating large structural elements in buildings. The progress could be very rapid, compared to the conventional method, and it would be safer. This will likely become the preferred way of building rapidly, eventually.
Buildings main frameworks could be hoisted into place and then locked together. Large portions of the process could be automated.
Hmm... makes me wonder if swarm of drones can be used to create safety domes in war times above critical infrastructure objects to protect from missiles, by simply creating a physical barrier.
Hopefully we wont have huge wars any more, because they would simply be too destructive. Nobody would win, not even remotely.
The civil defense efforts of the US hit a brick wall during the 1980s when they realized that nobody in cities would survive atomic warfare, because the fires would burn so incredibly hot that it bould burn up all the oxygen, and the land would be so totally contaminated from plastics as well as radiation, so much as to become virtually impossible to live on for a very long time.
Also, robots don't function properly in high radiation conditions. It plays havoc with electronics, making cleanup difficult and dangerous, even for robots.
Making it unthinkably wrong.