The Spanish settlers were given large tracts of land after the conquest. How did this change how crops were grown

What group has historically made up the largest portion of immigrants in mexico?

Russia is to the east if germany ? true or false

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks