Who is gay here? just a random question

What was one effect of european influence on southeast asia? new roads and railroads were constructed. rulers built palaces in the european architectural style. the vietnamese absorbed much of the european culture. the islamic religion spread throughout the region.

:calculate the sum of the interior angles of a 13-sided polygon.

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