Over the centuries, the most effective means of "civilizing" natives to spanish culture was
(a) the encomienda system.
(b) the mission system.
(c) the distribution of mineral wealth.
(d) military occupation.

Option (B) is correct.

In past, the well-versed system of "civilizing" inhabitant to Spanish culture was "the mission system". The Spanish missionary attempts to incorporate the inhabitants to the culture were more fruitful than the terms utilized by several Spanish rulers.

Spanish missionaries in the Americas were known as the Catholic missions which were entrenched by the Spanish Empire in region starting from Mexico to ending as far as Chile.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -