"'Russian intentions regarding U. S. Election infrastructure remain unclear.' Moscow's intelligence agencies . . . May have 'intended to exploit vulnerabilities in the election infrastructure during the 2016 elections and, for unknown reasons, decided not to execute those options' . . .The report suggested that it might have been cataloging those options 'for use at a later date'".

The correct answer to this open question is the following.

There is no question here, just sentences. We do not know what are you asking.

What we can do to help you is to comment on the following.

What you have here is part of the conclusions that appear in the report of the Committee on Intelligence of the US Senate.

The investigation was a big component of the public opinion in America after the US elections of 2016. The US Congress has been dealing with this issue since that time, but nothing conclusive has been reached.

The issue is not concluded. Today, two weeks from the presidential elections of 2020, news stories again are referring to the threat posed by Russia and Iran, trying to interfere in the US elections of November 3.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.